21004726

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{523}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 32370624

約数和(自身を除く): 11365898

約数列:

[1, 2, 43, 86, 467, 523, 934, 1046, 20081, 22489, 40162, 44978, 244241, 488482, 10502363, 21004726]

約数ペア:

[(1, 21004726), (2, 10502363), (43, 488482), (86, 244241), (467, 44978), (523, 40162), (934, 22489), (1046, 20081)]