21942811

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 2587877

約数列:

[1, 11, 103, 107, 181, 1133, 1177, 1991, 11021, 18643, 19367, 121231, 205073, 213037, 1994801, 21942811]

約数ペア:

[(1, 21942811), (11, 1994801), (103, 213037), (107, 205073), (181, 121231), (1133, 19367), (1177, 18643), (1991, 11021)]