2021663791

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{216661}}^1$

素因数の和:216742

約数の個数: 16

約数和(自身を含む): 2440480768

約数和(自身を除く): 418816977

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 216661, 1516627, 6716491, 9316423, 47015437, 65214961, 288809113, 2021663791]

約数ペア:

[(1, 2021663791), (7, 288809113), (31, 65214961), (43, 47015437), (217, 9316423), (301, 6716491), (1333, 1516627), (9331, 216661)]