21318693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5717}}^1$

素因数の和:5844

約数の個数: 16

約数和(自身を含む): 31288896

約数和(自身を除く): 9970203

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5717, 17151, 62887, 188661, 646021, 1938063, 7106231, 21318693]

約数ペア:

[(1, 21318693), (3, 7106231), (11, 1938063), (33, 646021), (113, 188661), (339, 62887), (1243, 17151), (3729, 5717)]