21111233

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13456

約数の個数: 12

約数和(自身を含む): 24991764

約数和(自身を除く): 3880531

約数列:

[1, 11, 13, 121, 143, 1573, 13421, 147631, 174473, 1623941, 1919203, 21111233]

約数ペア:

[(1, 21111233), (11, 1919203), (13, 1623941), (121, 174473), (143, 147631), (1573, 13421)]