SOLUTION: What is the average of all factors of 21?

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Question 1143892: What is the average of all factors of 21?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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The factors are  1, 3, 7, 21.


Their average is  %281+%2B+3+%2B+7+%2B+21%29%2F4 = 8.      ANSWER