21492893180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2111}}^1\times {\mathrm{46279}}^1$

素因数の和:48410

約数の個数: 48

約数和(自身を含む): 49262653440

約数和(自身を除く): 27769760260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2111, 4222, 8444, 10555, 21110, 23221, 42220, 46279, 46442, 92558, 92884, 116105, 185116, 231395, 232210, 462790, 464420, 509069, 925580, 1018138, 2036276, 2545345, 5090690, 10181380, 97694969, 195389938, 390779876, 488474845, 976949690, 1074644659, 1953899380, 2149289318, 4298578636, 5373223295, 10746446590, 21492893180]

約数ペア:

[(1, 21492893180), (2, 10746446590), (4, 5373223295), (5, 4298578636), (10, 2149289318), (11, 1953899380), (20, 1074644659), (22, 976949690), (44, 488474845), (55, 390779876), (110, 195389938), (220, 97694969), (2111, 10181380), (4222, 5090690), (8444, 2545345), (10555, 2036276), (21110, 1018138), (23221, 925580), (42220, 509069), (46279, 464420), (46442, 462790), (92558, 232210), (92884, 231395), (116105, 185116)]