21091552375

素因数分解:

$5^3\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{7529}}^1$

素因数の和:7924

約数の個数: 32

約数和(自身を含む): 26773306560

約数和(自身を除く): 5681754185

約数列:

[1, 5, 25, 73, 125, 307, 365, 1535, 1825, 7529, 7675, 9125, 22411, 37645, 38375, 112055, 188225, 549617, 560275, 941125, 2311403, 2748085, 2801375, 11557015, 13740425, 57785075, 68702125, 168732419, 288925375, 843662095, 4218310475, 21091552375]

約数ペア:

[(1, 21091552375), (5, 4218310475), (25, 843662095), (73, 288925375), (125, 168732419), (307, 68702125), (365, 57785075), (1535, 13740425), (1825, 11557015), (7529, 2801375), (7675, 2748085), (9125, 2311403), (22411, 941125), (37645, 560275), (38375, 549617), (112055, 188225)]