21324465

素因数分解:

$3^5\times 5^1\times {\mathrm{17551}}^1$

素因数の和:17571

約数の個数: 24

約数和(自身を含む): 38333568

約数和(自身を除く): 17009103

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 17551, 52653, 87755, 157959, 263265, 473877, 789795, 1421631, 2369385, 4264893, 7108155, 21324465]

約数ペア:

[(1, 21324465), (3, 7108155), (5, 4264893), (9, 2369385), (15, 1421631), (27, 789795), (45, 473877), (81, 263265), (135, 157959), (243, 87755), (405, 52653), (1215, 17551)]