21076724557

素因数分解:

$7^1\times {\mathrm{1021}}^1\times {\mathrm{1087}}^1\times {\mathrm{2713}}^1$

素因数の和:4828

約数の個数: 16

約数和(自身を含む): 24142354432

約数和(自身を除く): 3065629875

約数列:

[1, 7, 1021, 1087, 2713, 7147, 7609, 18991, 1109827, 2769973, 2949031, 7768789, 19389811, 20643217, 3010960651, 21076724557]

約数ペア:

[(1, 21076724557), (7, 3010960651), (1021, 20643217), (1087, 19389811), (2713, 7768789), (7147, 2949031), (7609, 2769973), (18991, 1109827)]