21093878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12109}}^1$

素因数の和:12191

約数の個数: 16

約数和(自身を含む): 34586160

約数和(自身を除く): 13492282

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12109, 24218, 157417, 314834, 811303, 1622606, 10546939, 21093878]

約数ペア:

[(1, 21093878), (2, 10546939), (13, 1622606), (26, 811303), (67, 314834), (134, 157417), (871, 24218), (1742, 12109)]