21506727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34301}}^1$

素因数の和:34334

約数の個数: 16

約数和(自身を含む): 32929920

約数和(自身を除く): 11423193

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34301, 102903, 377311, 651719, 1131933, 1955157, 7168909, 21506727]

約数ペア:

[(1, 21506727), (3, 7168909), (11, 1955157), (19, 1131933), (33, 651719), (57, 377311), (209, 102903), (627, 34301)]