21411675

素因数分解:

$3^3\times 5^2\times {\mathrm{31721}}^1$

素因数の和:31740

約数の個数: 24

約数和(自身を含む): 39335280

約数和(自身を除く): 17923605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31721, 95163, 158605, 285489, 475815, 793025, 856467, 1427445, 2379075, 4282335, 7137225, 21411675]

約数ペア:

[(1, 21411675), (3, 7137225), (5, 4282335), (9, 2379075), (15, 1427445), (25, 856467), (27, 793025), (45, 475815), (75, 285489), (135, 158605), (225, 95163), (675, 31721)]