21628370

素因数分解:

$2^1\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1847}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 38985408

約数和(自身を除く): 17357038

約数列:

[1, 2, 5, 10, 1171, 1847, 2342, 3694, 5855, 9235, 11710, 18470, 2162837, 4325674, 10814185, 21628370]

約数ペア:

[(1, 21628370), (2, 10814185), (5, 4325674), (10, 2162837), (1171, 18470), (1847, 11710), (2342, 9235), (3694, 5855)]