21008898

素因数分解:

$2^1\times 3^2\times {\mathrm{499}}^1\times {\mathrm{2339}}^1$

素因数の和:2846

約数の個数: 24

約数和(自身を含む): 45630000

約数和(自身を除く): 24621102

約数列:

[1, 2, 3, 6, 9, 18, 499, 998, 1497, 2339, 2994, 4491, 4678, 7017, 8982, 14034, 21051, 42102, 1167161, 2334322, 3501483, 7002966, 10504449, 21008898]

約数ペア:

[(1, 21008898), (2, 10504449), (3, 7002966), (6, 3501483), (9, 2334322), (18, 1167161), (499, 42102), (998, 21051), (1497, 14034), (2339, 8982), (2994, 7017), (4491, 4678)]