21000844821

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3403151}}^1$

素因数の和:3403193

約数の個数: 24

約数和(自身を含む): 32588583552

約数和(自身を除く): 11587738731

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 6171, 3403151, 10209453, 37434661, 57853567, 112303983, 173560701, 411781271, 636389237, 1235343813, 1909167711, 7000281607, 21000844821]

約数ペア:

[(1, 21000844821), (3, 7000281607), (11, 1909167711), (17, 1235343813), (33, 636389237), (51, 411781271), (121, 173560701), (187, 112303983), (363, 57853567), (561, 37434661), (2057, 10209453), (6171, 3403151)]