Q: What is the sum of all factors of the number 21,720,169 excluding 21,720,169?
A: 1,277,675
The factors of the number 21,720,169 are: 1, 17, 1277657, 21720169.
If you add them up, you will get the total of 21,720,170. Now subtract 21,720,169 to get 1,277,675