21536439

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 29562624

約数和(自身を除く): 8026185

約数列:

[1, 3, 41, 123, 311, 563, 933, 1689, 12751, 23083, 38253, 69249, 175093, 525279, 7178813, 21536439]

約数ペア:

[(1, 21536439), (3, 7178813), (41, 525279), (123, 175093), (311, 69249), (563, 38253), (933, 23083), (1689, 12751)]