21739348

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 39541824

約数和(自身を除く): 17802476

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1867, 2911, 3734, 5822, 7468, 11644, 76547, 132557, 153094, 265114, 306188, 530228, 5434837, 10869674, 21739348]

約数ペア:

[(1, 21739348), (2, 10869674), (4, 5434837), (41, 530228), (71, 306188), (82, 265114), (142, 153094), (164, 132557), (284, 76547), (1867, 11644), (2911, 7468), (3734, 5822)]