Q: What is the sum of all factors of the number 21,508,431 excluding 21,508,431?
A: 11,467,953
The factors of the number 21,508,431 are: 1, 3, 7, 21, 167, 501, 1169, 3507, 6133, 18399, 42931, 128793, 1024211, 3072633, 7169477, 21508431.
If you add them up, you will get the total of 21,508,442. Now subtract 21,508,431 to get 11,467,953