Q: What is the sum of all factors of the number 21,628,901 excluding 21,628,901?

 A: 4,164,763

Why is 4,164,763 the sum of all factors of 21,628,901, excluding 21,628,901?

The factors of the number 21,628,901 are: 1, 7, 23, 161, 134341, 940387, 3089843, 21628901.

If you add them up, you will get the total of 21,628,905. Now subtract 21,628,901 to get 4,164,763


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