21584245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 26712000

約数和(自身を除く): 5127755

約数列:

[1, 5, 41, 205, 211, 499, 1055, 2495, 8651, 20459, 43255, 102295, 105289, 526445, 4316849, 21584245]

約数ペア:

[(1, 21584245), (5, 4316849), (41, 526445), (205, 105289), (211, 102295), (499, 43255), (1055, 20459), (2495, 8651)]