21816530

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2837}}^1$

素因数の和:3613

約数の個数: 16

約数和(自身を含む): 39334680

約数和(自身を除く): 17518150

約数列:

[1, 2, 5, 10, 769, 1538, 2837, 3845, 5674, 7690, 14185, 28370, 2181653, 4363306, 10908265, 21816530]

約数ペア:

[(1, 21816530), (2, 10908265), (5, 4363306), (10, 2181653), (769, 28370), (1538, 14185), (2837, 7690), (3845, 5674)]