21063762

素因数分解:

$2^1\times 3^2\times {\mathrm{1170209}}^1$

素因数の和:1170217

約数の個数: 12

約数和(自身を含む): 45638190

約数和(自身を除く): 24574428

約数列:

[1, 2, 3, 6, 9, 18, 1170209, 2340418, 3510627, 7021254, 10531881, 21063762]

約数ペア:

[(1, 21063762), (2, 10531881), (3, 7021254), (6, 3510627), (9, 2340418), (18, 1170209)]