Q: What is the sum of all factors of the number 21,423,255 excluding 21,423,255?
A: 17,927,529
The factors of the number 21,423,255 are: 1, 3, 5, 7, 15, 21, 35, 105, 373, 547, 1119, 1641, 1865, 2611, 2735, 3829, 5595, 7833, 8205, 11487, 13055, 19145, 39165, 57435, 204031, 612093, 1020155, 1428217, 3060465, 4284651, 7141085, 21423255.
If you add them up, you will get the total of 21,423,272. Now subtract 21,423,255 to get 17,927,529