21103659524

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{1511}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 37724424192

約数和(自身を除く): 16620764668

約数列:

[1, 2, 4, 101, 181, 191, 202, 362, 382, 404, 724, 764, 1511, 3022, 6044, 18281, 19291, 34571, 36562, 38582, 69142, 73124, 77164, 138284, 152611, 273491, 288601, 305222, 546982, 577202, 610444, 1093964, 1154404, 3491671, 6983342, 13966684, 27622591, 29148701, 52236781, 55245182, 58297402, 104473562, 110490364, 116594804, 208947124, 5275914881, 10551829762, 21103659524]

約数ペア:

[(1, 21103659524), (2, 10551829762), (4, 5275914881), (101, 208947124), (181, 116594804), (191, 110490364), (202, 104473562), (362, 58297402), (382, 55245182), (404, 52236781), (724, 29148701), (764, 27622591), (1511, 13966684), (3022, 6983342), (6044, 3491671), (18281, 1154404), (19291, 1093964), (34571, 610444), (36562, 577202), (38582, 546982), (69142, 305222), (73124, 288601), (77164, 273491), (138284, 152611)]