Q: What is the sum of all factors of the number 21,400,015 excluding 21,400,015?
A: 10,775,345
The factors of the number 21,400,015 are: 1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 6719, 33595, 47033, 87347, 235165, 329231, 436735, 611429, 1646155, 3057145, 4280003, 21400015.
If you add them up, you will get the total of 21,400,025. Now subtract 21,400,015 to get 10,775,345