21860960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12421}}^1$

素因数の和:12447

約数の個数: 48

約数和(自身を含む): 56346192

約数和(自身を除く): 34485232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12421, 24842, 49684, 62105, 99368, 124210, 136631, 198736, 248420, 273262, 397472, 496840, 546524, 683155, 993680, 1093048, 1366310, 1987360, 2186096, 2732620, 4372192, 5465240, 10930480, 21860960]

約数ペア:

[(1, 21860960), (2, 10930480), (4, 5465240), (5, 4372192), (8, 2732620), (10, 2186096), (11, 1987360), (16, 1366310), (20, 1093048), (22, 993680), (32, 683155), (40, 546524), (44, 496840), (55, 397472), (80, 273262), (88, 248420), (110, 198736), (160, 136631), (176, 124210), (220, 99368), (352, 62105), (440, 49684), (880, 24842), (1760, 12421)]