Q: What is the sum of all factors of the number 21,500,830 excluding 21,500,830?

 A: 20,177,954

Why is 20,177,954 the sum of all factors of 21,500,830, excluding 21,500,830?

The factors of the number 21,500,830 are: 1, 2, 5, 10, 13, 26, 65, 130, 165391, 330782, 826955, 1653910, 2150083, 4300166, 10750415, 21500830.

If you add them up, you will get the total of 21,500,850. Now subtract 21,500,830 to get 20,177,954


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