21429408

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 192

約数和(自身を含む): 75866112

約数和(自身を除く): 54436704

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 32, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 96, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 223, 224, 231, 264, 273, 286, 308, 312, 336, 352, 364, 416, 429, 446, 462, 528, 546, 572, 616, 624, 669, 672, 728, 858, 892, 924, 1001, 1056, 1092, 1144, 1232, 1248, 1338, 1456, 1561, 1716, 1784, 1848, 2002, 2184, 2288, 2453, 2464, 2676, 2899, 2912, 3003, 3122, 3432, 3568, 3696, 4004, 4368, 4576, 4683, 4906, 5352, 5798, 6006, 6244, 6864, 7136, 7359, 7392, 8008, 8697, 8736, 9366, 9812, 10704, 11596, 12012, 12488, 13728, 14718, 16016, 17171, 17394, 18732, 19624, 20293, 21408, 23192, 24024, 24976, 29436, 31889, 32032, 34342, 34788, 37464, 39248, 40586, 46384, 48048, 49952, 51513, 58872, 60879, 63778, 68684, 69576, 74928, 78496, 81172, 92768, 95667, 96096, 103026, 117744, 121758, 127556, 137368, 139152, 149856, 162344, 191334, 206052, 223223, 235488, 243516, 255112, 274736, 278304, 324688, 382668, 412104, 446446, 487032, 510224, 549472, 649376, 669669, 765336, 824208, 892892, 974064, 1020448, 1339338, 1530672, 1648416, 1785784, 1948128, 2678676, 3061344, 3571568, 5357352, 7143136, 10714704, 21429408]

約数ペア:

[(1, 21429408), (2, 10714704), (3, 7143136), (4, 5357352), (6, 3571568), (7, 3061344), (8, 2678676), (11, 1948128), (12, 1785784), (13, 1648416), (14, 1530672), (16, 1339338), (21, 1020448), (22, 974064), (24, 892892), (26, 824208), (28, 765336), (32, 669669), (33, 649376), (39, 549472), (42, 510224), (44, 487032), (48, 446446), (52, 412104), (56, 382668), (66, 324688), (77, 278304), (78, 274736), (84, 255112), (88, 243516), (91, 235488), (96, 223223), (104, 206052), (112, 191334), (132, 162344), (143, 149856), (154, 139152), (156, 137368), (168, 127556), (176, 121758), (182, 117744), (208, 103026), (223, 96096), (224, 95667), (231, 92768), (264, 81172), (273, 78496), (286, 74928), (308, 69576), (312, 68684), (336, 63778), (352, 60879), (364, 58872), (416, 51513), (429, 49952), (446, 48048), (462, 46384), (528, 40586), (546, 39248), (572, 37464), (616, 34788), (624, 34342), (669, 32032), (672, 31889), (728, 29436), (858, 24976), (892, 24024), (924, 23192), (1001, 21408), (1056, 20293), (1092, 19624), (1144, 18732), (1232, 17394), (1248, 17171), (1338, 16016), (1456, 14718), (1561, 13728), (1716, 12488), (1784, 12012), (1848, 11596), (2002, 10704), (2184, 9812), (2288, 9366), (2453, 8736), (2464, 8697), (2676, 8008), (2899, 7392), (2912, 7359), (3003, 7136), (3122, 6864), (3432, 6244), (3568, 6006), (3696, 5798), (4004, 5352), (4368, 4906), (4576, 4683)]