Q: What is the sum of all factors of the number 13,505,721 excluding 13,505,721?
A: 4,543,143
The factors of the number 13,505,721 are: 1, 3, 457, 1371, 9851, 29553, 4501907, 13505721.
If you add them up, you will get the total of 13,505,725. Now subtract 13,505,721 to get 4,543,143