21325689

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30773}}^1$

素因数の和:30797

約数の個数: 24

約数和(自身を含む): 38405952

約数和(自身を除く): 17080263

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30773, 92319, 215411, 276957, 338503, 646233, 1015509, 1938699, 2369521, 3046527, 7108563, 21325689]

約数ペア:

[(1, 21325689), (3, 7108563), (7, 3046527), (9, 2369521), (11, 1938699), (21, 1015509), (33, 646233), (63, 338503), (77, 276957), (99, 215411), (231, 92319), (693, 30773)]