21906014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3109}}^1$

素因数の和:3395

約数の個数: 16

約数和(自身を含む): 35528640

約数和(自身を除く): 13622626

約数列:

[1, 2, 13, 26, 271, 542, 3109, 3523, 6218, 7046, 40417, 80834, 842539, 1685078, 10953007, 21906014]

約数ペア:

[(1, 21906014), (2, 10953007), (13, 1685078), (26, 842539), (271, 80834), (542, 40417), (3109, 7046), (3523, 6218)]