21343781

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1465819

約数列:

[1, 43, 47, 59, 179, 2021, 2537, 2773, 7697, 8413, 10561, 119239, 361759, 454123, 496367, 21343781]

約数ペア:

[(1, 21343781), (43, 496367), (47, 454123), (59, 361759), (179, 119239), (2021, 10561), (2537, 8413), (2773, 7697)]