21870292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9923}}^1$

素因数の和:9975

約数の個数: 24

約数和(自身を含む): 41680800

約数和(自身を除く): 19810508

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9923, 19846, 39692, 188537, 287767, 377074, 575534, 754148, 1151068, 5467573, 10935146, 21870292]

約数ペア:

[(1, 21870292), (2, 10935146), (4, 5467573), (19, 1151068), (29, 754148), (38, 575534), (58, 377074), (76, 287767), (116, 188537), (551, 39692), (1102, 19846), (2204, 9923)]