21539133

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31081}}^1$

素因数の和:31105

約数の個数: 24

約数和(自身を含む): 38790336

約数和(自身を除く): 17251203

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31081, 93243, 217567, 279729, 341891, 652701, 1025673, 1958103, 2393237, 3077019, 7179711, 21539133]

約数ペア:

[(1, 21539133), (3, 7179711), (7, 3077019), (9, 2393237), (11, 1958103), (21, 1025673), (33, 652701), (63, 341891), (77, 279729), (99, 217567), (231, 93243), (693, 31081)]