21060841

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 23341824

約数和(自身を除く): 2280983

約数列:

[1, 17, 43, 47, 613, 731, 799, 2021, 10421, 26359, 28811, 34357, 448103, 489787, 1238873, 21060841]

約数ペア:

[(1, 21060841), (17, 1238873), (43, 489787), (47, 448103), (613, 34357), (731, 28811), (799, 26359), (2021, 10421)]