21540162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11927}}^1$

素因数の和:11982

約数の個数: 32

約数和(自身を含む): 50383872

約数和(自身を除く): 28843710

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11927, 23854, 35781, 71562, 83489, 166978, 250467, 500934, 512861, 1025722, 1538583, 3077166, 3590027, 7180054, 10770081, 21540162]

約数ペア:

[(1, 21540162), (2, 10770081), (3, 7180054), (6, 3590027), (7, 3077166), (14, 1538583), (21, 1025722), (42, 512861), (43, 500934), (86, 250467), (129, 166978), (258, 83489), (301, 71562), (602, 35781), (903, 23854), (1806, 11927)]