21865530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728851}}^1$

素因数の和:728861

約数の個数: 16

約数和(自身を含む): 52477344

約数和(自身を除く): 30611814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728851, 1457702, 2186553, 3644255, 4373106, 7288510, 10932765, 21865530]

約数ペア:

[(1, 21865530), (2, 10932765), (3, 7288510), (5, 4373106), (6, 3644255), (10, 2186553), (15, 1457702), (30, 728851)]