21582351

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11813}}^1$

素因数の和:11855

約数の個数: 24

約数和(自身を含む): 36859680

約数和(自身を除く): 15277329

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11813, 35439, 82691, 106317, 248073, 342577, 744219, 1027731, 2398039, 3083193, 7194117, 21582351]

約数ペア:

[(1, 21582351), (3, 7194117), (7, 3083193), (9, 2398039), (21, 1027731), (29, 744219), (63, 342577), (87, 248073), (203, 106317), (261, 82691), (609, 35439), (1827, 11813)]