2021111681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{31481}}^1$

素因数の和:31640

約数の個数: 16

約数和(自身を含む): 2216332800

約数和(自身を除く): 195221119

約数列:

[1, 19, 31, 109, 589, 2071, 3379, 31481, 64201, 598139, 975911, 3431429, 18542309, 65197151, 106374299, 2021111681]

約数ペア:

[(1, 2021111681), (19, 106374299), (31, 65197151), (109, 18542309), (589, 3431429), (2071, 975911), (3379, 598139), (31481, 64201)]