21850456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4957}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 44622000

約数和(自身を除く): 22771544

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4957, 9914, 19828, 39656, 94183, 143753, 188366, 287506, 376732, 575012, 753464, 1150024, 2731307, 5462614, 10925228, 21850456]

約数ペア:

[(1, 21850456), (2, 10925228), (4, 5462614), (8, 2731307), (19, 1150024), (29, 753464), (38, 575012), (58, 376732), (76, 287506), (116, 188366), (152, 143753), (232, 94183), (551, 39656), (1102, 19828), (2204, 9914), (4408, 4957)]