21603634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 37978416

約数和(自身を除く): 16374782

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 442, 481, 629, 962, 1258, 1321, 2642, 8177, 16354, 17173, 22457, 34346, 44914, 48877, 97754, 291941, 583882, 635401, 830909, 1270802, 1661818, 10801817, 21603634]

約数ペア:

[(1, 21603634), (2, 10801817), (13, 1661818), (17, 1270802), (26, 830909), (34, 635401), (37, 583882), (74, 291941), (221, 97754), (442, 48877), (481, 44914), (629, 34346), (962, 22457), (1258, 17173), (1321, 16354), (2642, 8177)]