22010021

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1801}}^1$

素因数の和:1924

約数の個数: 12

約数和(自身を含む): 24445932

約数和(自身を除く): 2435911

約数列:

[1, 11, 101, 121, 1111, 1801, 12221, 19811, 181901, 217921, 2000911, 22010021]

約数ペア:

[(1, 22010021), (11, 2000911), (101, 217921), (121, 181901), (1111, 19811), (1801, 12221)]