21398710

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{36269}}^1$

素因数の和:36335

約数の個数: 16

約数和(自身を含む): 39171600

約数和(自身を除く): 17772890

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 36269, 72538, 181345, 362690, 2139871, 4279742, 10699355, 21398710]

約数ペア:

[(1, 21398710), (2, 10699355), (5, 4279742), (10, 2139871), (59, 362690), (118, 181345), (295, 72538), (590, 36269)]