21948116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{593}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 18633964

約数列:

[1, 2, 4, 19, 38, 76, 487, 593, 974, 1186, 1948, 2372, 9253, 11267, 18506, 22534, 37012, 45068, 288791, 577582, 1155164, 5487029, 10974058, 21948116]

約数ペア:

[(1, 21948116), (2, 10974058), (4, 5487029), (19, 1155164), (38, 577582), (76, 288791), (487, 45068), (593, 37012), (974, 22534), (1186, 18506), (1948, 11267), (2372, 9253)]