21142827

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 32151600

約数和(自身を除く): 11008773

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1373, 1711, 4119, 5133, 12357, 15399, 39817, 81007, 119451, 243021, 358353, 729063, 2349203, 7047609, 21142827]

約数ペア:

[(1, 21142827), (3, 7047609), (9, 2349203), (29, 729063), (59, 358353), (87, 243021), (177, 119451), (261, 81007), (531, 39817), (1373, 15399), (1711, 12357), (4119, 5133)]