Q: What is the sum of all factors of the number 21,123,320 excluding 21,123,320?
A: 27,513,400
The factors of the number 21,123,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12281, 24562, 49124, 61405, 98248, 122810, 245620, 491240, 528083, 1056166, 2112332, 2640415, 4224664, 5280830, 10561660, 21123320.
If you add them up, you will get the total of 21,123,347. Now subtract 21,123,320 to get 27,513,400