21109668

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{9719}}^1$

素因数の和:9907

約数の個数: 24

約数和(自身を含む): 49533120

約数和(自身を除く): 28423452

約数列:

[1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172, 9719, 19438, 29157, 38876, 58314, 116628, 1759139, 3518278, 5277417, 7036556, 10554834, 21109668]

約数ペア:

[(1, 21109668), (2, 10554834), (3, 7036556), (4, 5277417), (6, 3518278), (12, 1759139), (181, 116628), (362, 58314), (543, 38876), (724, 29157), (1086, 19438), (2172, 9719)]