21477851521

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{75683}}^1$

素因数の和:76332

約数の個数: 16

約数和(自身を含む): 24935758848

約数和(自身を除く): 3457907327

約数列:

[1, 7, 71, 497, 571, 3997, 40541, 75683, 283787, 529781, 5373493, 37614451, 43214993, 302504951, 3068264503, 21477851521]

約数ペア:

[(1, 21477851521), (7, 3068264503), (71, 302504951), (497, 43214993), (571, 37614451), (3997, 5373493), (40541, 529781), (75683, 283787)]