21965733

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 32741280

約数和(自身を除く): 10775547

約数列:

[1, 3, 9, 43, 129, 211, 269, 387, 633, 807, 1899, 2421, 9073, 11567, 27219, 34701, 56759, 81657, 104103, 170277, 510831, 2440637, 7321911, 21965733]

約数ペア:

[(1, 21965733), (3, 7321911), (9, 2440637), (43, 510831), (129, 170277), (211, 104103), (269, 81657), (387, 56759), (633, 34701), (807, 27219), (1899, 11567), (2421, 9073)]