21433905

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1439}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 37290240

約数和(自身を除く): 15856335

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1439, 1655, 2979, 4317, 4965, 7195, 12951, 14895, 21585, 64755, 476309, 1428927, 2381545, 4286781, 7144635, 21433905]

約数ペア:

[(1, 21433905), (3, 7144635), (5, 4286781), (9, 2381545), (15, 1428927), (45, 476309), (331, 64755), (993, 21585), (1439, 14895), (1655, 12951), (2979, 7195), (4317, 4965)]