21288471

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10181}}^1$

素因数の和:10242

約数の個数: 16

約数和(自身を含む): 30790368

約数和(自身を除く): 9501897

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10181, 30543, 173077, 417421, 519231, 1252263, 7096157, 21288471]

約数ペア:

[(1, 21288471), (3, 7096157), (17, 1252263), (41, 519231), (51, 417421), (123, 173077), (697, 30543), (2091, 10181)]