21331242243

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{18373163}}^1$

素因数の和:18373215

約数の個数: 16

約数和(自身を含む): 32336768640

約数和(自身を除く): 11005526397

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 18373163, 55119489, 165358467, 496075401, 790046009, 2370138027, 7110414081, 21331242243]

約数ペア:

[(1, 21331242243), (3, 7110414081), (9, 2370138027), (27, 790046009), (43, 496075401), (129, 165358467), (387, 55119489), (1161, 18373163)]