21553093521

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{11914369}}^1$

素因数の和:11914445

約数の個数: 16

約数和(自身を含む): 32407086400

約数和(自身を除く): 10853992879

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 11914369, 35743107, 107229321, 321687963, 798262723, 2394788169, 7184364507, 21553093521]

約数ペア:

[(1, 21553093521), (3, 7184364507), (9, 2394788169), (27, 798262723), (67, 321687963), (201, 107229321), (603, 35743107), (1809, 11914369)]