21302501

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 3312859

約数列:

[1, 11, 29, 43, 319, 473, 1247, 1553, 13717, 17083, 45037, 66779, 495407, 734569, 1936591, 21302501]

約数ペア:

[(1, 21302501), (11, 1936591), (29, 734569), (43, 495407), (319, 66779), (473, 45037), (1247, 17083), (1553, 13717)]