21584450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10529}}^1$

素因数の和:10582

約数の個数: 24

約数和(自身を含む): 41130180

約数和(自身を除く): 19545730

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10529, 21058, 52645, 105290, 263225, 431689, 526450, 863378, 2158445, 4316890, 10792225, 21584450]

約数ペア:

[(1, 21584450), (2, 10792225), (5, 4316890), (10, 2158445), (25, 863378), (41, 526450), (50, 431689), (82, 263225), (205, 105290), (410, 52645), (1025, 21058), (2050, 10529)]