21882184

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63611}}^1$

素因数の和:63660

約数の個数: 16

約数和(自身を含む): 41983920

約数和(自身を除く): 20101736

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63611, 127222, 254444, 508888, 2735273, 5470546, 10941092, 21882184]

約数ペア:

[(1, 21882184), (2, 10941092), (4, 5470546), (8, 2735273), (43, 508888), (86, 254444), (172, 127222), (344, 63611)]