21084591

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1423}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 30758400

約数和(自身を除く): 9673809

約数列:

[1, 3, 11, 33, 449, 1347, 1423, 4269, 4939, 14817, 15653, 46959, 638927, 1916781, 7028197, 21084591]

約数ペア:

[(1, 21084591), (3, 7028197), (11, 1916781), (33, 638927), (449, 46959), (1347, 15653), (1423, 14817), (4269, 4939)]