21785522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5471}}^1$

素因数の和:5665

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 14067022

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5471, 10942, 60181, 120362, 990251, 1980502, 10892761, 21785522]

約数ペア:

[(1, 21785522), (2, 10892761), (11, 1980502), (22, 990251), (181, 120362), (362, 60181), (1991, 10942), (3982, 5471)]