Q: What is the sum of all factors of the number 21,340,320 excluding 21,340,320?

 A: 48,840,672

Why is 48,840,672 the sum of all factors of 21,340,320, excluding 21,340,320?

The factors of the number 21,340,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1933, 2208, 2760, 3680, 3866, 5520, 5799, 7732, 9665, 11040, 11598, 15464, 19330, 23196, 28995, 30928, 38660, 44459, 46392, 57990, 61856, 77320, 88918, 92784, 115980, 133377, 154640, 177836, 185568, 222295, 231960, 266754, 309280, 355672, 444590, 463920, 533508, 666885, 711344, 889180, 927840, 1067016, 1333770, 1422688, 1778360, 2134032, 2667540, 3556720, 4268064, 5335080, 7113440, 10670160, 21340320.

If you add them up, you will get the total of 21,340,368. Now subtract 21,340,320 to get 48,840,672


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