21784938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{518689}}^1$

素因数の和:518701

約数の個数: 16

約数和(自身を含む): 49794240

約数和(自身を除く): 28009302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 518689, 1037378, 1556067, 3112134, 3630823, 7261646, 10892469, 21784938]

約数ペア:

[(1, 21784938), (2, 10892469), (3, 7261646), (6, 3630823), (7, 3112134), (14, 1556067), (21, 1037378), (42, 518689)]