21109437

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41149}}^1$

素因数の和:41177

約数の個数: 16

約数和(自身を含む): 32920000

約数和(自身を除く): 11810563

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41149, 123447, 370341, 781831, 1111023, 2345493, 7036479, 21109437]

約数ペア:

[(1, 21109437), (3, 7036479), (9, 2345493), (19, 1111023), (27, 781831), (57, 370341), (171, 123447), (513, 41149)]