Q: What is the sum of all factors of the number 21,506,709 excluding 21,506,709?
A: 12,332,395
The factors of the number 21,506,709 are: 1, 3, 7, 21, 61, 103, 163, 183, 309, 427, 489, 721, 1141, 1281, 2163, 3423, 6283, 9943, 16789, 18849, 29829, 43981, 50367, 69601, 117523, 131943, 208803, 352569, 1024129, 3072387, 7168903, 21506709.
If you add them up, you will get the total of 21,506,721. Now subtract 21,506,709 to get 12,332,395