21904597

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{11783}}^1$

素因数の和:11820

約数の個数: 12

約数和(自身を含む): 25877664

約数和(自身を除く): 3973067

約数列:

[1, 11, 13, 143, 169, 1859, 11783, 129613, 153179, 1684969, 1991327, 21904597]

約数ペア:

[(1, 21904597), (11, 1991327), (13, 1684969), (143, 153179), (169, 129613), (1859, 11783)]