21574696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18859}}^1$

素因数の和:18889

約数の個数: 32

約数和(自身を含む): 47527200

約数和(自身を除く): 25952504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18859, 37718, 75436, 150872, 207449, 245167, 414898, 490334, 829796, 980668, 1659592, 1961336, 2696837, 5393674, 10787348, 21574696]

約数ペア:

[(1, 21574696), (2, 10787348), (4, 5393674), (8, 2696837), (11, 1961336), (13, 1659592), (22, 980668), (26, 829796), (44, 490334), (52, 414898), (88, 245167), (104, 207449), (143, 150872), (286, 75436), (572, 37718), (1144, 18859)]