21199352

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{9851}}^1$

素因数の和:10126

約数の個数: 16

約数和(自身を含む): 39900600

約数和(自身を除く): 18701248

約数列:

[1, 2, 4, 8, 269, 538, 1076, 2152, 9851, 19702, 39404, 78808, 2649919, 5299838, 10599676, 21199352]

約数ペア:

[(1, 21199352), (2, 10599676), (4, 5299838), (8, 2649919), (269, 78808), (538, 39404), (1076, 19702), (2152, 9851)]