21787359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{16103}}^1$

素因数の和:16158

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 10678305

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 16103, 48309, 177133, 531399, 660223, 1980669, 7262453, 21787359]

約数ペア:

[(1, 21787359), (3, 7262453), (11, 1980669), (33, 660223), (41, 531399), (123, 177133), (451, 48309), (1353, 16103)]