21904124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8161}}^1$

素因数の和:8237

約数の個数: 24

約数和(自身を含む): 42507696

約数和(自身を除く): 20603572

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 8161, 16322, 32644, 89771, 179542, 359084, 497821, 995642, 1991284, 5476031, 10952062, 21904124]

約数ペア:

[(1, 21904124), (2, 10952062), (4, 5476031), (11, 1991284), (22, 995642), (44, 497821), (61, 359084), (122, 179542), (244, 89771), (671, 32644), (1342, 16322), (2684, 8161)]