21855692

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{33521}}^1$

素因数の和:33688

約数の個数: 12

約数和(自身を含む): 38483256

約数和(自身を除く): 16627564

約数列:

[1, 2, 4, 163, 326, 652, 33521, 67042, 134084, 5463923, 10927846, 21855692]

約数ペア:

[(1, 21855692), (2, 10927846), (4, 5463923), (163, 134084), (326, 67042), (652, 33521)]