21896126

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11939}}^1$

素因数の和:12079

約数の個数: 16

約数和(自身を含む): 37825920

約数和(自身を除く): 15929794

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11939, 23878, 83573, 167146, 1564009, 3128018, 10948063, 21896126]

約数ペア:

[(1, 21896126), (2, 10948063), (7, 3128018), (14, 1564009), (131, 167146), (262, 83573), (917, 23878), (1834, 11939)]