21963681

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{65957}}^1$

素因数の和:66000

約数の個数: 12

約数和(自身を含む): 32583252

約数和(自身を除く): 10619571

約数列:

[1, 3, 9, 37, 111, 333, 65957, 197871, 593613, 2440409, 7321227, 21963681]

約数ペア:

[(1, 21963681), (3, 7321227), (9, 2440409), (37, 593613), (111, 197871), (333, 65957)]