21837881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 24489024

約数和(自身を除く): 2651143

約数列:

[1, 13, 37, 83, 481, 547, 1079, 3071, 7111, 20239, 39923, 45401, 263107, 590213, 1679837, 21837881]

約数ペア:

[(1, 21837881), (13, 1679837), (37, 590213), (83, 263107), (481, 45401), (547, 39923), (1079, 20239), (3071, 7111)]