21033255

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12409}}^1$

素因数の和:12530

約数の個数: 16

約数和(自身を含む): 33953760

約数和(自身を除く): 12920505

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12409, 37227, 62045, 186135, 1402217, 4206651, 7011085, 21033255]

約数ペア:

[(1, 21033255), (3, 7011085), (5, 4206651), (15, 1402217), (113, 186135), (339, 62045), (565, 37227), (1695, 12409)]