21407684

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1031}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 39009600

約数和(自身を除く): 17601916

約数列:

[1, 2, 4, 29, 58, 116, 179, 358, 716, 1031, 2062, 4124, 5191, 10382, 20764, 29899, 59798, 119596, 184549, 369098, 738196, 5351921, 10703842, 21407684]

約数ペア:

[(1, 21407684), (2, 10703842), (4, 5351921), (29, 738196), (58, 369098), (116, 184549), (179, 119596), (358, 59798), (716, 29899), (1031, 20764), (2062, 10382), (4124, 5191)]