21020186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15371494

約数列:

[1, 2, 11, 22, 29, 47, 58, 94, 319, 517, 638, 701, 1034, 1363, 1402, 2726, 7711, 14993, 15422, 20329, 29986, 32947, 40658, 65894, 223619, 362417, 447238, 724834, 955463, 1910926, 10510093, 21020186]

約数ペア:

[(1, 21020186), (2, 10510093), (11, 1910926), (22, 955463), (29, 724834), (47, 447238), (58, 362417), (94, 223619), (319, 65894), (517, 40658), (638, 32947), (701, 29986), (1034, 20329), (1363, 15422), (1402, 14993), (2726, 7711)]