21105885

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45389}}^1$

素因数の和:45428

約数の個数: 16

約数和(自身を含む): 34859520

約数和(自身を除く): 13753635

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45389, 136167, 226945, 680835, 1407059, 4221177, 7035295, 21105885]

約数ペア:

[(1, 21105885), (3, 7035295), (5, 4221177), (15, 1407059), (31, 680835), (93, 226945), (155, 136167), (465, 45389)]