21579239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 25111296

約数和(自身を除く): 3532057

約数列:

[1, 11, 17, 167, 187, 691, 1837, 2839, 7601, 11747, 31229, 115397, 129217, 1269367, 1961749, 21579239]

約数ペア:

[(1, 21579239), (11, 1961749), (17, 1269367), (167, 129217), (187, 115397), (691, 31229), (1837, 11747), (2839, 7601)]