21867630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728921}}^1$

素因数の和:728931

約数の個数: 16

約数和(自身を含む): 52482384

約数和(自身を除く): 30614754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728921, 1457842, 2186763, 3644605, 4373526, 7289210, 10933815, 21867630]

約数ペア:

[(1, 21867630), (2, 10933815), (3, 7289210), (5, 4373526), (6, 3644605), (10, 2186763), (15, 1457842), (30, 728921)]