21366672265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{666979}}^1$

素因数の和:667176

約数の個数: 16

約数和(自身を含む): 26412408000

約数和(自身を除く): 5045735735

約数列:

[1, 5, 43, 149, 215, 745, 6407, 32035, 666979, 3334895, 28680097, 99379871, 143400485, 496899355, 4273334453, 21366672265]

約数ペア:

[(1, 21366672265), (5, 4273334453), (43, 496899355), (149, 143400485), (215, 99379871), (745, 28680097), (6407, 3334895), (32035, 666979)]