21805597

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1033}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 25312320

約数和(自身を除く): 3506723

約数列:

[1, 11, 19, 101, 209, 1033, 1111, 1919, 11363, 19627, 21109, 104333, 215897, 1147663, 1982327, 21805597]

約数ペア:

[(1, 21805597), (11, 1982327), (19, 1147663), (101, 215897), (209, 104333), (1033, 21109), (1111, 19627), (1919, 11363)]