21070786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 16160702

約数列:

[1, 2, 11, 17, 22, 34, 53, 106, 187, 374, 583, 901, 1063, 1166, 1802, 2126, 9911, 11693, 18071, 19822, 23386, 36142, 56339, 112678, 198781, 397562, 619729, 957763, 1239458, 1915526, 10535393, 21070786]

約数ペア:

[(1, 21070786), (2, 10535393), (11, 1915526), (17, 1239458), (22, 957763), (34, 619729), (53, 397562), (106, 198781), (187, 112678), (374, 56339), (583, 36142), (901, 23386), (1063, 19822), (1166, 18071), (1802, 11693), (2126, 9911)]