21381804

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12637}}^1$

素因数の和:12694

約数の個数: 36

約数和(自身を含む): 55202784

約数和(自身を除く): 33820980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12637, 25274, 37911, 50548, 75822, 113733, 151644, 227466, 454932, 593939, 1187878, 1781817, 2375756, 3563634, 5345451, 7127268, 10690902, 21381804]

約数ペア:

[(1, 21381804), (2, 10690902), (3, 7127268), (4, 5345451), (6, 3563634), (9, 2375756), (12, 1781817), (18, 1187878), (36, 593939), (47, 454932), (94, 227466), (141, 151644), (188, 113733), (282, 75822), (423, 50548), (564, 37911), (846, 25274), (1692, 12637)]