21394788

素因数分解:

$2^2\times 3^1\times {\mathrm{1151}}^1\times {\mathrm{1549}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 49996800

約数和(自身を除く): 28602012

約数列:

[1, 2, 3, 4, 6, 12, 1151, 1549, 2302, 3098, 3453, 4604, 4647, 6196, 6906, 9294, 13812, 18588, 1782899, 3565798, 5348697, 7131596, 10697394, 21394788]

約数ペア:

[(1, 21394788), (2, 10697394), (3, 7131596), (4, 5348697), (6, 3565798), (12, 1782899), (1151, 18588), (1549, 13812), (2302, 9294), (3098, 6906), (3453, 6196), (4604, 4647)]