Q: What is the sum of all factors of the number 21,123,225 excluding 21,123,225?
A: 16,960,275
The factors of the number 21,123,225 are: 1, 3, 5, 9, 15, 25, 45, 75, 225, 269, 349, 807, 1047, 1345, 1745, 2421, 3141, 4035, 5235, 6725, 8725, 12105, 15705, 20175, 26175, 60525, 78525, 93881, 281643, 469405, 844929, 1408215, 2347025, 4224645, 7041075, 21123225.
If you add them up, you will get the total of 21,123,241. Now subtract 21,123,225 to get 16,960,275