21140742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503351}}^1$

素因数の和:503363

約数の個数: 16

約数和(自身を含む): 48321792

約数和(自身を除く): 27181050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503351, 1006702, 1510053, 3020106, 3523457, 7046914, 10570371, 21140742]

約数ペア:

[(1, 21140742), (2, 10570371), (3, 7046914), (6, 3523457), (7, 3020106), (14, 1510053), (21, 1006702), (42, 503351)]