Q: What is the sum of all factors of the number 21,042,530 excluding 21,042,530?

 A: 17,125,534

Why is 17,125,534 the sum of all factors of 21,042,530, excluding 21,042,530?

The factors of the number 21,042,530 are: 1, 2, 5, 10, 131, 262, 655, 1310, 16063, 32126, 80315, 160630, 2104253, 4208506, 10521265, 21042530.

If you add them up, you will get the total of 21,042,547. Now subtract 21,042,530 to get 17,125,534


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