21757008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 73495296

約数和(自身を除く): 51738288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 293, 312, 336, 357, 364, 408, 442, 476, 546, 586, 624, 663, 714, 728, 816, 879, 884, 952, 1092, 1172, 1326, 1428, 1456, 1547, 1758, 1768, 1904, 2051, 2184, 2344, 2652, 2856, 3094, 3516, 3536, 3809, 4102, 4368, 4641, 4688, 4981, 5304, 5712, 6153, 6188, 7032, 7618, 8204, 9282, 9962, 10608, 11427, 12306, 12376, 14064, 14943, 15236, 16408, 18564, 19924, 22854, 24612, 24752, 26663, 29886, 30472, 32816, 34867, 37128, 39848, 45708, 49224, 53326, 59772, 60944, 64753, 69734, 74256, 79696, 79989, 91416, 98448, 104601, 106652, 119544, 129506, 139468, 159978, 182832, 194259, 209202, 213304, 239088, 259012, 278936, 319956, 388518, 418404, 426608, 453271, 518024, 557872, 639912, 777036, 836808, 906542, 1036048, 1279824, 1359813, 1554072, 1673616, 1813084, 2719626, 3108144, 3626168, 5439252, 7252336, 10878504, 21757008]

約数ペア:

[(1, 21757008), (2, 10878504), (3, 7252336), (4, 5439252), (6, 3626168), (7, 3108144), (8, 2719626), (12, 1813084), (13, 1673616), (14, 1554072), (16, 1359813), (17, 1279824), (21, 1036048), (24, 906542), (26, 836808), (28, 777036), (34, 639912), (39, 557872), (42, 518024), (48, 453271), (51, 426608), (52, 418404), (56, 388518), (68, 319956), (78, 278936), (84, 259012), (91, 239088), (102, 213304), (104, 209202), (112, 194259), (119, 182832), (136, 159978), (156, 139468), (168, 129506), (182, 119544), (204, 106652), (208, 104601), (221, 98448), (238, 91416), (272, 79989), (273, 79696), (293, 74256), (312, 69734), (336, 64753), (357, 60944), (364, 59772), (408, 53326), (442, 49224), (476, 45708), (546, 39848), (586, 37128), (624, 34867), (663, 32816), (714, 30472), (728, 29886), (816, 26663), (879, 24752), (884, 24612), (952, 22854), (1092, 19924), (1172, 18564), (1326, 16408), (1428, 15236), (1456, 14943), (1547, 14064), (1758, 12376), (1768, 12306), (1904, 11427), (2051, 10608), (2184, 9962), (2344, 9282), (2652, 8204), (2856, 7618), (3094, 7032), (3516, 6188), (3536, 6153), (3809, 5712), (4102, 5304), (4368, 4981), (4641, 4688)]