21000309543

素因数分解:

$3^2\times {\mathrm{5303}}^1\times {\mathrm{440009}}^1$

素因数の和:445318

約数の個数: 12

約数和(自身を含む): 30339569520

約数和(自身を除く): 9339259977

約数列:

[1, 3, 9, 5303, 15909, 47727, 440009, 1320027, 3960081, 2333367727, 7000103181, 21000309543]

約数ペア:

[(1, 21000309543), (3, 7000103181), (9, 2333367727), (5303, 3960081), (15909, 1320027), (47727, 440009)]