Q: What is the sum of all factors of the number 21,212,617 excluding 21,212,617?
A: 1,247,819
The factors of the number 21,212,617 are: 1, 17, 1247801, 21212617.
If you add them up, you will get the total of 21,212,618. Now subtract 21,212,617 to get 1,247,819