21828066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279847}}^1$

素因数の和:279865

約数の個数: 16

約数和(自身を含む): 47014464

約数和(自身を除く): 25186398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279847, 559694, 839541, 1679082, 3638011, 7276022, 10914033, 21828066]

約数ペア:

[(1, 21828066), (2, 10914033), (3, 7276022), (6, 3638011), (13, 1679082), (26, 839541), (39, 559694), (78, 279847)]