Q: What is the sum of all factors of the number 21,791 excluding 21,791?

 A: 5,473

Why is 5,473 the sum of all factors of 21,791, excluding 21,791?

The factors of the number 21,791 are: 1, 7, 11, 77, 283, 1981, 3113, 21791.

If you add them up, you will get the total of 21,796. Now subtract 21,791 to get 5,473


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