21765901911

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{42930773}}^1$

素因数の和:42930802

約数の個数: 12

約数和(自身を含む): 31425326568

約数和(自身を除く): 9659424657

約数列:

[1, 3, 13, 39, 169, 507, 42930773, 128792319, 558100049, 1674300147, 7255300637, 21765901911]

約数ペア:

[(1, 21765901911), (3, 7255300637), (13, 1674300147), (39, 558100049), (169, 128792319), (507, 42930773)]