21383857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 24349248

約数和(自身を除く): 2965391

約数列:

[1, 11, 43, 53, 473, 583, 853, 2279, 9383, 25069, 36679, 45209, 403469, 497299, 1943987, 21383857]

約数ペア:

[(1, 21383857), (11, 1943987), (43, 497299), (53, 403469), (473, 45209), (583, 36679), (853, 25069), (2279, 9383)]