21131286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 46286208

約数和(自身を除く): 25154922

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 353, 706, 907, 1059, 1814, 2118, 2721, 3883, 5442, 7766, 9977, 11649, 19954, 23298, 29931, 59862, 320171, 640342, 960513, 1921026, 3521881, 7043762, 10565643, 21131286]

約数ペア:

[(1, 21131286), (2, 10565643), (3, 7043762), (6, 3521881), (11, 1921026), (22, 960513), (33, 640342), (66, 320171), (353, 59862), (706, 29931), (907, 23298), (1059, 19954), (1814, 11649), (2118, 9977), (2721, 7766), (3883, 5442)]