21206258

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1129

約数の個数: 16

約数和(自身を含む): 32438016

約数和(自身を除く): 11231758

約数列:

[1, 2, 103, 113, 206, 226, 911, 1822, 11639, 23278, 93833, 102943, 187666, 205886, 10603129, 21206258]

約数ペア:

[(1, 21206258), (2, 10603129), (103, 205886), (113, 187666), (206, 102943), (226, 93833), (911, 23278), (1822, 11639)]