21119562

素因数分解:

$2^1\times 3^3\times {\mathrm{391103}}^1$

素因数の和:391114

約数の個数: 16

約数和(自身を含む): 46932480

約数和(自身を除く): 25812918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391103, 782206, 1173309, 2346618, 3519927, 7039854, 10559781, 21119562]

約数ペア:

[(1, 21119562), (2, 10559781), (3, 7039854), (6, 3519927), (9, 2346618), (18, 1173309), (27, 782206), (54, 391103)]