21395638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9629}}^1$

素因数の和:9743

約数の個数: 16

約数和(自身を含む): 35361360

約数和(自身を除く): 13965722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9629, 19258, 105919, 211838, 972529, 1945058, 10697819, 21395638]

約数ペア:

[(1, 21395638), (2, 10697819), (11, 1945058), (22, 972529), (101, 211838), (202, 105919), (1111, 19258), (2222, 9629)]