21000604394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12397051}}^1$

素因数の和:12397082

約数の個数: 24

約数和(自身を含む): 39571389984

約数和(自身を除く): 18570785590

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12397051, 24794102, 86779357, 136367561, 173558714, 272735122, 954572927, 1500043171, 1909145854, 3000086342, 10500302197, 21000604394]

約数ペア:

[(1, 21000604394), (2, 10500302197), (7, 3000086342), (11, 1909145854), (14, 1500043171), (22, 954572927), (77, 272735122), (121, 173558714), (154, 136367561), (242, 86779357), (847, 24794102), (1694, 12397051)]