21000916527

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2133589}}^1$

素因数の和:2133802

約数の個数: 16

約数和(自身を含む): 29801985120

約数和(自身を除く): 8801068593

約数列:

[1, 3, 17, 51, 193, 579, 3281, 9843, 2133589, 6400767, 36271013, 108813039, 411782677, 1235348031, 7000305509, 21000916527]

約数ペア:

[(1, 21000916527), (3, 7000305509), (17, 1235348031), (51, 411782677), (193, 108813039), (579, 36271013), (3281, 6400767), (9843, 2133589)]