21042798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501019}}^1$

素因数の和:501031

約数の個数: 16

約数和(自身を含む): 48097920

約数和(自身を除く): 27055122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501019, 1002038, 1503057, 3006114, 3507133, 7014266, 10521399, 21042798]

約数ペア:

[(1, 21042798), (2, 10521399), (3, 7014266), (6, 3507133), (7, 3006114), (14, 1503057), (21, 1002038), (42, 501019)]