21711053

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 29164800

約数和(自身を除く): 7453747

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 433, 551, 1729, 2639, 3031, 3857, 5629, 7163, 8227, 12557, 39403, 50141, 57589, 87899, 106951, 163241, 238583, 748657, 1142687, 1670081, 3101579, 21711053]

約数ペア:

[(1, 21711053), (7, 3101579), (13, 1670081), (19, 1142687), (29, 748657), (91, 238583), (133, 163241), (203, 106951), (247, 87899), (377, 57589), (433, 50141), (551, 39403), (1729, 12557), (2639, 8227), (3031, 7163), (3857, 5629)]