Q: What is the sum of all factors of the number 21,402,201 excluding 21,402,201?
A: 8,812,743
The factors of the number 21,402,201 are: 1, 3, 17, 51, 419651, 1258953, 7134067, 21402201.
If you add them up, you will get the total of 21,402,209. Now subtract 21,402,201 to get 8,812,743