21196418

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 32370840

約数和(自身を除く): 11174422

約数列:

[1, 2, 89, 178, 193, 386, 617, 1234, 17177, 34354, 54913, 109826, 119081, 238162, 10598209, 21196418]

約数ペア:

[(1, 21196418), (2, 10598209), (89, 238162), (178, 119081), (193, 109826), (386, 54913), (617, 34354), (1234, 17177)]