21242508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252887}}^1$

素因数の和:252901

約数の個数: 24

約数和(自身を含む): 56646912

約数和(自身を除く): 35404404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252887, 505774, 758661, 1011548, 1517322, 1770209, 3034644, 3540418, 5310627, 7080836, 10621254, 21242508]

約数ペア:

[(1, 21242508), (2, 10621254), (3, 7080836), (4, 5310627), (6, 3540418), (7, 3034644), (12, 1770209), (14, 1517322), (21, 1011548), (28, 758661), (42, 505774), (84, 252887)]