21790043

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1906

約数の個数: 12

約数和(自身を含む): 24201744

約数和(自身を除く): 2411701

約数列:

[1, 11, 101, 121, 1111, 1783, 12221, 19613, 180083, 215743, 1980913, 21790043]

約数ペア:

[(1, 21790043), (11, 1980913), (101, 215743), (121, 180083), (1111, 19613), (1783, 12221)]