21000918138

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25180957}}^1$

素因数の和:25181101

約数の個数: 16

約数和(自身を含む): 42304009440

約数和(自身を除く): 21303091302

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25180957, 50361914, 75542871, 151085742, 3500153023, 7000306046, 10500459069, 21000918138]

約数ペア:

[(1, 21000918138), (2, 10500459069), (3, 7000306046), (6, 3500153023), (139, 151085742), (278, 75542871), (417, 50361914), (834, 25180957)]