21603056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79423}}^1$

素因数の和:79448

約数の個数: 20

約数和(自身を含む): 44318592

約数和(自身を除く): 22715536

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79423, 158846, 317692, 635384, 1270768, 1350191, 2700382, 5400764, 10801528, 21603056]

約数ペア:

[(1, 21603056), (2, 10801528), (4, 5400764), (8, 2700382), (16, 1350191), (17, 1270768), (34, 635384), (68, 317692), (136, 158846), (272, 79423)]