21093303

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 14296137

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 719, 889, 1397, 2157, 2667, 4191, 5033, 7909, 9779, 15099, 23727, 29337, 55363, 91313, 166089, 273939, 639191, 1004443, 1917573, 3013329, 7031101, 21093303]

約数ペア:

[(1, 21093303), (3, 7031101), (7, 3013329), (11, 1917573), (21, 1004443), (33, 639191), (77, 273939), (127, 166089), (231, 91313), (381, 55363), (719, 29337), (889, 23727), (1397, 15099), (2157, 9779), (2667, 7909), (4191, 5033)]