21291974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16343866

約数列:

[1, 2, 11, 22, 23, 29, 46, 58, 253, 319, 506, 638, 667, 1334, 1451, 2902, 7337, 14674, 15961, 31922, 33373, 42079, 66746, 84158, 367103, 462869, 734206, 925738, 967817, 1935634, 10645987, 21291974]

約数ペア:

[(1, 21291974), (2, 10645987), (11, 1935634), (22, 967817), (23, 925738), (29, 734206), (46, 462869), (58, 367103), (253, 84158), (319, 66746), (506, 42079), (638, 33373), (667, 31922), (1334, 15961), (1451, 14674), (2902, 7337)]