21867540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364459}}^1$

素因数の和:364471

約数の個数: 24

約数和(自身を含む): 61229280

約数和(自身を除く): 39361740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364459, 728918, 1093377, 1457836, 1822295, 2186754, 3644590, 4373508, 5466885, 7289180, 10933770, 21867540]

約数ペア:

[(1, 21867540), (2, 10933770), (3, 7289180), (4, 5466885), (5, 4373508), (6, 3644590), (10, 2186754), (12, 1822295), (15, 1457836), (20, 1093377), (30, 728918), (60, 364459)]