21063394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1489}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 34544160

約数和(自身を除く): 13480766

約数列:

[1, 2, 11, 22, 643, 1286, 1489, 2978, 7073, 14146, 16379, 32758, 957427, 1914854, 10531697, 21063394]

約数ペア:

[(1, 21063394), (2, 10531697), (11, 1914854), (22, 957427), (643, 32758), (1286, 16379), (1489, 14146), (2978, 7073)]