SOLUTION: Determine all the prime factors of 210. Using combination, determine the total number of factor of 210?

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Question 1125268: Determine all the prime factors of 210. Using combination, determine the total number of factor of 210?
Answer by MathLover1(20849) About Me  (Show Source):
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The factors of 210:
The prime factorization of 210 is 1%2A2%2A3%2A5%2A7.
All possible factors are:
1
2%2A1=2
2%2A3=6
2%2A5=10
2%2A7=14
3%2A1=3
3%2A2=6
3%2A5=15
3%2A7=21

5%2A1=5
5%2A2=10
5%2A3=15
5%2A7=35
7%2A6=42
7%2A10=70
5%2A21=105
210%2A1=210

exclude repeated ones

rearrange:
Answer : 1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210