21068931

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10193}}^1$

素因数の和:10262

約数の個数: 16

約数和(自身を含む): 30826656

約数和(自身を除く): 9757725

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10193, 30579, 132509, 397527, 540229, 1620687, 7022977, 21068931]

約数ペア:

[(1, 21068931), (3, 7022977), (13, 1620687), (39, 540229), (53, 397527), (159, 132509), (689, 30579), (2067, 10193)]