21052057

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:3000

約数の個数: 16

約数和(自身を含む): 24696000

約数和(自身を除く): 3643943

約数列:

[1, 13, 19, 29, 247, 377, 551, 2939, 7163, 38207, 55841, 85231, 725933, 1108003, 1619389, 21052057]

約数ペア:

[(1, 21052057), (13, 1619389), (19, 1108003), (29, 725933), (247, 85231), (377, 55841), (551, 38207), (2939, 7163)]