Q: What is the sum of all factors of the number 21,628,421 excluding 21,628,421?
A: 697,723
The factors of the number 21,628,421 are: 1, 31, 697691, 21628421.
If you add them up, you will get the total of 21,629,118. Now subtract 21,628,421 to get 697,723