21000727

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 24266880

約数和(自身を除く): 3266153

約数列:

[1, 11, 29, 43, 319, 473, 1247, 1531, 13717, 16841, 44399, 65833, 488389, 724163, 1909157, 21000727]

約数ペア:

[(1, 21000727), (11, 1909157), (29, 724163), (43, 488389), (319, 65833), (473, 44399), (1247, 16841), (1531, 13717)]