21005164

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7873}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 39684960

約数和(自身を除く): 18679796

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7873, 15746, 31492, 181079, 228317, 362158, 456634, 724316, 913268, 5251291, 10502582, 21005164]

約数ペア:

[(1, 21005164), (2, 10502582), (4, 5251291), (23, 913268), (29, 724316), (46, 456634), (58, 362158), (92, 228317), (116, 181079), (667, 31492), (1334, 15746), (2668, 7873)]