21537103684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4079}}^1\times {\mathrm{77647}}^1$

素因数の和:81747

約数の個数: 24

約数和(自身を含む): 39917283840

約数和(自身を除く): 18380180156

約数列:

[1, 2, 4, 17, 34, 68, 4079, 8158, 16316, 69343, 77647, 138686, 155294, 277372, 310588, 1319999, 2639998, 5279996, 316722113, 633444226, 1266888452, 5384275921, 10768551842, 21537103684]

約数ペア:

[(1, 21537103684), (2, 10768551842), (4, 5384275921), (17, 1266888452), (34, 633444226), (68, 316722113), (4079, 5279996), (8158, 2639998), (16316, 1319999), (69343, 310588), (77647, 277372), (138686, 155294)]