21630500

素因数分解:

$2^2\times 5^3\times {\mathrm{43261}}^1$

素因数の和:43280

約数の個数: 24

約数和(自身を含む): 47242104

約数和(自身を除く): 25611604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 43261, 86522, 173044, 216305, 432610, 865220, 1081525, 2163050, 4326100, 5407625, 10815250, 21630500]

約数ペア:

[(1, 21630500), (2, 10815250), (4, 5407625), (5, 4326100), (10, 2163050), (20, 1081525), (25, 865220), (50, 432610), (100, 216305), (125, 173044), (250, 86522), (500, 43261)]