21231138

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25457}}^1$

素因数の和:25601

約数の個数: 16

約数和(自身を含む): 42769440

約数和(自身を除く): 21538302

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25457, 50914, 76371, 152742, 3538523, 7077046, 10615569, 21231138]

約数ペア:

[(1, 21231138), (2, 10615569), (3, 7077046), (6, 3538523), (139, 152742), (278, 76371), (417, 50914), (834, 25457)]