21497567

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 26574912

約数和(自身を除く): 5077345

約数列:

[1, 7, 13, 91, 337, 701, 2359, 4381, 4907, 9113, 30667, 63791, 236237, 1653659, 3071081, 21497567]

約数ペア:

[(1, 21497567), (7, 3071081), (13, 1653659), (91, 236237), (337, 63791), (701, 30667), (2359, 9113), (4381, 4907)]