21030982

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3391}}^1$

素因数の和:3843

約数の個数: 16

約数和(自身を含む): 36145152

約数和(自身を除く): 15114170

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3391, 6202, 6782, 23737, 47474, 1502213, 3004426, 10515491, 21030982]

約数ペア:

[(1, 21030982), (2, 10515491), (7, 3004426), (14, 1502213), (443, 47474), (886, 23737), (3101, 6782), (3391, 6202)]