21581304

素因数分解:

$2^3\times 3^1\times {\mathrm{899221}}^1$

素因数の和:899230

約数の個数: 16

約数和(自身を含む): 53953320

約数和(自身を除く): 32372016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 899221, 1798442, 2697663, 3596884, 5395326, 7193768, 10790652, 21581304]

約数ペア:

[(1, 21581304), (2, 10790652), (3, 7193768), (4, 5395326), (6, 3596884), (8, 2697663), (12, 1798442), (24, 899221)]