21310949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 3171355

約数列:

[1, 11, 23, 131, 253, 643, 1441, 3013, 7073, 14789, 33143, 84233, 162679, 926563, 1937359, 21310949]

約数ペア:

[(1, 21310949), (11, 1937359), (23, 926563), (131, 162679), (253, 84233), (643, 33143), (1441, 14789), (3013, 7073)]