Q: What is the sum of all factors of the number 213,389 excluding 213,389?

A: 31,891

Why is 31,891 the sum of all factors of 213,389, excluding 213,389?

The factors of the number 213,389 are: 1, 11, 19, 209, 1021, 11231, 19399, 213389.

If you add them up, you will get the total of 213,420. Now subtract 213,389 to get 31,891

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