21886612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{497423}}^1$

素因数の和:497438

約数の個数: 12

約数和(自身を含む): 41783616

約数和(自身を除く): 19897004

約数列:

[1, 2, 4, 11, 22, 44, 497423, 994846, 1989692, 5471653, 10943306, 21886612]

約数ペア:

[(1, 21886612), (2, 10943306), (4, 5471653), (11, 1989692), (22, 994846), (44, 497423)]