Q: What is the sum of all factors of the number 401,720,421 excluding 401,720,421?
A: 177,484,443
The factors of the number 401,720,421 are: 1, 3, 17, 47, 51, 141, 799, 2397, 167593, 502779, 2849081, 7876871, 8547243, 23630613, 133906807, 401720421.
If you add them up, you will get the total of 401,720,598. Now subtract 401,720,421 to get 177,484,443