21744828

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 65856000

約数和(自身を除く): 44111172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 587, 588, 686, 756, 882, 1029, 1174, 1323, 1372, 1761, 1764, 2058, 2348, 2646, 3087, 3522, 4109, 4116, 5283, 5292, 6174, 7044, 8218, 9261, 10566, 12327, 12348, 15849, 16436, 18522, 21132, 24654, 28763, 31698, 36981, 37044, 49308, 57526, 63396, 73962, 86289, 110943, 115052, 147924, 172578, 201341, 221886, 258867, 345156, 402682, 443772, 517734, 604023, 776601, 805364, 1035468, 1208046, 1553202, 1812069, 2416092, 3106404, 3624138, 5436207, 7248276, 10872414, 21744828]

約数ペア:

[(1, 21744828), (2, 10872414), (3, 7248276), (4, 5436207), (6, 3624138), (7, 3106404), (9, 2416092), (12, 1812069), (14, 1553202), (18, 1208046), (21, 1035468), (27, 805364), (28, 776601), (36, 604023), (42, 517734), (49, 443772), (54, 402682), (63, 345156), (84, 258867), (98, 221886), (108, 201341), (126, 172578), (147, 147924), (189, 115052), (196, 110943), (252, 86289), (294, 73962), (343, 63396), (378, 57526), (441, 49308), (587, 37044), (588, 36981), (686, 31698), (756, 28763), (882, 24654), (1029, 21132), (1174, 18522), (1323, 16436), (1372, 15849), (1761, 12348), (1764, 12327), (2058, 10566), (2348, 9261), (2646, 8218), (3087, 7044), (3522, 6174), (4109, 5292), (4116, 5283)]