21495105

素因数分解:

$3^3\times 5^1\times {\mathrm{159223}}^1$

素因数の和:159237

約数の個数: 16

約数和(自身を含む): 38213760

約数和(自身を除く): 16718655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 159223, 477669, 796115, 1433007, 2388345, 4299021, 7165035, 21495105]

約数ペア:

[(1, 21495105), (3, 7165035), (5, 4299021), (9, 2388345), (15, 1433007), (27, 796115), (45, 477669), (135, 159223)]