21461891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2242

約数の個数: 12

約数和(自身を含む): 23885736

約数和(自身を除く): 2423845

約数列:

[1, 11, 83, 121, 913, 2137, 10043, 23507, 177371, 258577, 1951081, 21461891]

約数ペア:

[(1, 21461891), (11, 1951081), (83, 258577), (121, 177371), (913, 23507), (2137, 10043)]