21993298

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1861}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 12863342

約数列:

[1, 2, 19, 38, 311, 622, 1861, 3722, 5909, 11818, 35359, 70718, 578771, 1157542, 10996649, 21993298]

約数ペア:

[(1, 21993298), (2, 10996649), (19, 1157542), (38, 578771), (311, 70718), (622, 35359), (1861, 11818), (3722, 5909)]