21586213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 25183872

約数和(自身を除く): 3597659

約数列:

[1, 11, 23, 41, 253, 451, 943, 2081, 10373, 22891, 47863, 85321, 526493, 938531, 1962383, 21586213]

約数ペア:

[(1, 21586213), (11, 1962383), (23, 938531), (41, 526493), (253, 85321), (451, 47863), (943, 22891), (2081, 10373)]