21470804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 38814720

約数和(自身を除く): 17343916

約数列:

[1, 2, 4, 37, 74, 148, 239, 478, 607, 956, 1214, 2428, 8843, 17686, 22459, 35372, 44918, 89836, 145073, 290146, 580292, 5367701, 10735402, 21470804]

約数ペア:

[(1, 21470804), (2, 10735402), (4, 5367701), (37, 580292), (74, 290146), (148, 145073), (239, 89836), (478, 44918), (607, 35372), (956, 22459), (1214, 17686), (2428, 8843)]