21289331811

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{58648297}}^1$

素因数の和:58648322

約数の個数: 12

約数和(自身を含む): 31200894536

約数和(自身を除く): 9911562725

約数列:

[1, 3, 11, 33, 121, 363, 58648297, 175944891, 645131267, 1935393801, 7096443937, 21289331811]

約数ペア:

[(1, 21289331811), (3, 7096443937), (11, 1935393801), (33, 645131267), (121, 175944891), (363, 58648297)]