21168308

素因数分解:

$2^2\times 7^1\times {\mathrm{756011}}^1$

素因数の和:756022

約数の個数: 12

約数和(自身を含む): 42336672

約数和(自身を除く): 21168364

約数列:

[1, 2, 4, 7, 14, 28, 756011, 1512022, 3024044, 5292077, 10584154, 21168308]

約数ペア:

[(1, 21168308), (2, 10584154), (4, 5292077), (7, 3024044), (14, 1512022), (28, 756011)]