21481852

素因数分解:

$2^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1307}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 43069824

約数和(自身を除く): 21587972

約数列:

[1, 2, 4, 7, 14, 28, 587, 1174, 1307, 2348, 2614, 4109, 5228, 8218, 9149, 16436, 18298, 36596, 767209, 1534418, 3068836, 5370463, 10740926, 21481852]

約数ペア:

[(1, 21481852), (2, 10740926), (4, 5370463), (7, 3068836), (14, 1534418), (28, 767209), (587, 36596), (1174, 18298), (1307, 16436), (2348, 9149), (2614, 8218), (4109, 5228)]