21081742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{958261}}^1$

素因数の和:958274

約数の個数: 8

約数和(自身を含む): 34497432

約数和(自身を除く): 13415690

約数列:

[1, 2, 11, 22, 958261, 1916522, 10540871, 21081742]

約数ペア:

[(1, 21081742), (2, 10540871), (11, 1916522), (22, 958261)]