221072418

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 568713600

約数和(自身を除く): 347641182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 61, 63, 98, 122, 126, 147, 183, 294, 343, 366, 427, 441, 549, 587, 686, 854, 882, 1029, 1098, 1174, 1281, 1761, 2058, 2562, 2989, 3087, 3522, 3843, 4109, 5283, 5978, 6174, 7686, 8218, 8967, 10566, 12327, 17934, 20923, 24654, 26901, 28763, 35807, 36981, 41846, 53802, 57526, 62769, 71614, 73962, 86289, 107421, 125538, 172578, 188307, 201341, 214842, 250649, 258867, 322263, 376614, 402682, 501298, 517734, 604023, 644526, 751947, 1208046, 1503894, 1754543, 1812069, 2255841, 3509086, 3624138, 4511682, 5263629, 10527258, 12281801, 15790887, 24563602, 31581774, 36845403, 73690806, 110536209, 221072418]

約数ペア:

[(1, 221072418), (2, 110536209), (3, 73690806), (6, 36845403), (7, 31581774), (9, 24563602), (14, 15790887), (18, 12281801), (21, 10527258), (42, 5263629), (49, 4511682), (61, 3624138), (63, 3509086), (98, 2255841), (122, 1812069), (126, 1754543), (147, 1503894), (183, 1208046), (294, 751947), (343, 644526), (366, 604023), (427, 517734), (441, 501298), (549, 402682), (587, 376614), (686, 322263), (854, 258867), (882, 250649), (1029, 214842), (1098, 201341), (1174, 188307), (1281, 172578), (1761, 125538), (2058, 107421), (2562, 86289), (2989, 73962), (3087, 71614), (3522, 62769), (3843, 57526), (4109, 53802), (5283, 41846), (5978, 36981), (6174, 35807), (7686, 28763), (8218, 26901), (8967, 24654), (10566, 20923), (12327, 17934)]