Q: What is the sum of all factors of the number 21,123,432 excluding 21,123,432?
A: 42,056,568
The factors of the number 21,123,432 are: 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 149, 179, 198, 264, 298, 358, 396, 447, 537, 596, 716, 792, 894, 1074, 1192, 1341, 1432, 1611, 1639, 1788, 1969, 2148, 2682, 3222, 3278, 3576, 3938, 4296, 4917, 5364, 5907, 6444, 6556, 7876, 9834, 10728, 11814, 12888, 13112, 14751, 15752, 17721, 19668, 23628, 26671, 29502, 35442, 39336, 47256, 53342, 59004, 70884, 80013, 106684, 118008, 141768, 160026, 213368, 240039, 293381, 320052, 480078, 586762, 640104, 880143, 960156, 1173524, 1760286, 1920312, 2347048, 2640429, 3520572, 5280858, 7041144, 10561716, 21123432.
If you add them up, you will get the total of 21,123,474. Now subtract 21,123,432 to get 42,056,568