21300675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25819}}^1$

素因数の和:25843

約数の個数: 24

約数和(自身を含む): 38420160

約数和(自身を除く): 17119485

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25819, 77457, 129095, 284009, 387285, 645475, 852027, 1420045, 1936425, 4260135, 7100225, 21300675]

約数ペア:

[(1, 21300675), (3, 7100225), (5, 4260135), (11, 1936425), (15, 1420045), (25, 852027), (33, 645475), (55, 387285), (75, 284009), (165, 129095), (275, 77457), (825, 25819)]