21919227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1033}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 31963008

約数和(自身を除く): 10043781

約数列:

[1, 3, 11, 33, 643, 1033, 1929, 3099, 7073, 11363, 21219, 34089, 664219, 1992657, 7306409, 21919227]

約数ペア:

[(1, 21919227), (3, 7306409), (11, 1992657), (33, 664219), (643, 34089), (1033, 21219), (1929, 11363), (3099, 7073)]