21075525

素因数分解:

$3^3\times 5^2\times {\mathrm{31223}}^1$

素因数の和:31242

約数の個数: 24

約数和(自身を含む): 38717760

約数和(自身を除く): 17642235

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31223, 93669, 156115, 281007, 468345, 780575, 843021, 1405035, 2341725, 4215105, 7025175, 21075525]

約数ペア:

[(1, 21075525), (3, 7025175), (5, 4215105), (9, 2341725), (15, 1405035), (25, 843021), (27, 780575), (45, 468345), (75, 281007), (135, 156115), (225, 93669), (675, 31223)]