Q: What is the sum of all factors of the number 21,121,447 excluding 21,121,447?
A: 681,369
The factors of the number 21,121,447 are: 1, 31, 681337, 21121447.
If you add them up, you will get the total of 21,122,128. Now subtract 21,121,447 to get 681,369