21078014781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1262081}}^1$

素因数の和:1262396

約数の個数: 16

約数和(自身を含む): 29684168640

約数和(自身を除く): 8606153859

約数列:

[1, 3, 19, 57, 293, 879, 5567, 16701, 1262081, 3786243, 23979539, 71938617, 369789733, 1109369199, 7026004927, 21078014781]

約数ペア:

[(1, 21078014781), (3, 7026004927), (19, 1109369199), (57, 369789733), (293, 71938617), (879, 23979539), (5567, 3786243), (16701, 1262081)]