21901011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{16187}}^1$

素因数の和:16242

約数の個数: 16

約数和(自身を含む): 32635008

約数和(自身を除く): 10733997

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 16187, 48561, 178057, 534171, 663667, 1991001, 7300337, 21901011]

約数ペア:

[(1, 21901011), (3, 7300337), (11, 1991001), (33, 663667), (41, 534171), (123, 178057), (451, 48561), (1353, 16187)]