21188226

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86131}}^1$

素因数の和:86177

約数の個数: 16

約数和(自身を含む): 43410528

約数和(自身を除く): 22222302

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86131, 172262, 258393, 516786, 3531371, 7062742, 10594113, 21188226]

約数ペア:

[(1, 21188226), (2, 10594113), (3, 7062742), (6, 3531371), (41, 516786), (82, 258393), (123, 172262), (246, 86131)]