21860356

素因数分解:

$2^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{911}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 43819776

約数和(自身を除く): 21959420

約数列:

[1, 2, 4, 7, 14, 28, 857, 911, 1714, 1822, 3428, 3644, 5999, 6377, 11998, 12754, 23996, 25508, 780727, 1561454, 3122908, 5465089, 10930178, 21860356]

約数ペア:

[(1, 21860356), (2, 10930178), (4, 5465089), (7, 3122908), (14, 1561454), (28, 780727), (857, 25508), (911, 23996), (1714, 12754), (1822, 11998), (3428, 6377), (3644, 5999)]