21467889

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46771}}^1$

素因数の和:46797

約数の個数: 16

約数和(自身を含む): 33675840

約数和(自身を除く): 12207951

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46771, 140313, 420939, 795107, 1262817, 2385321, 7155963, 21467889]

約数ペア:

[(1, 21467889), (3, 7155963), (9, 2385321), (17, 1262817), (27, 795107), (51, 420939), (153, 140313), (459, 46771)]