21027573889

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1031}}^1\times {\mathrm{18097}}^1$

素因数の和:19165

約数の個数: 24

約数和(自身を含む): 25550322048

約数和(自身を除く): 4522748159

約数列:

[1, 7, 23, 49, 161, 1031, 1127, 7217, 18097, 23713, 50519, 126679, 165991, 416231, 886753, 1161937, 2913617, 18658007, 20395319, 130606049, 429134161, 914242343, 3003939127, 21027573889]

約数ペア:

[(1, 21027573889), (7, 3003939127), (23, 914242343), (49, 429134161), (161, 130606049), (1031, 20395319), (1127, 18658007), (7217, 2913617), (18097, 1161937), (23713, 886753), (50519, 416231), (126679, 165991)]