21462789

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6899}}^1$

素因数の和:6980

約数の個数: 16

約数和(自身を含む): 30801600

約数和(自身を除く): 9338811

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6899, 20697, 117283, 351849, 420839, 1262517, 7154263, 21462789]

約数ペア:

[(1, 21462789), (3, 7154263), (17, 1262517), (51, 420839), (61, 351849), (183, 117283), (1037, 20697), (3111, 6899)]