21723768

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 46013832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 41, 44, 54, 66, 72, 82, 88, 99, 108, 123, 132, 164, 198, 216, 223, 246, 264, 297, 328, 369, 396, 446, 451, 492, 594, 669, 738, 792, 892, 902, 984, 1107, 1188, 1338, 1353, 1476, 1784, 1804, 2007, 2214, 2376, 2453, 2676, 2706, 2952, 3608, 4014, 4059, 4428, 4906, 5352, 5412, 6021, 7359, 8028, 8118, 8856, 9143, 9812, 10824, 12042, 12177, 14718, 16056, 16236, 18286, 19624, 22077, 24084, 24354, 27429, 29436, 32472, 36572, 44154, 48168, 48708, 54858, 58872, 66231, 73144, 82287, 88308, 97416, 100573, 109716, 132462, 164574, 176616, 201146, 219432, 246861, 264924, 301719, 329148, 402292, 493722, 529848, 603438, 658296, 804584, 905157, 987444, 1206876, 1810314, 1974888, 2413752, 2715471, 3620628, 5430942, 7241256, 10861884, 21723768]

約数ペア:

[(1, 21723768), (2, 10861884), (3, 7241256), (4, 5430942), (6, 3620628), (8, 2715471), (9, 2413752), (11, 1974888), (12, 1810314), (18, 1206876), (22, 987444), (24, 905157), (27, 804584), (33, 658296), (36, 603438), (41, 529848), (44, 493722), (54, 402292), (66, 329148), (72, 301719), (82, 264924), (88, 246861), (99, 219432), (108, 201146), (123, 176616), (132, 164574), (164, 132462), (198, 109716), (216, 100573), (223, 97416), (246, 88308), (264, 82287), (297, 73144), (328, 66231), (369, 58872), (396, 54858), (446, 48708), (451, 48168), (492, 44154), (594, 36572), (669, 32472), (738, 29436), (792, 27429), (892, 24354), (902, 24084), (984, 22077), (1107, 19624), (1188, 18286), (1338, 16236), (1353, 16056), (1476, 14718), (1784, 12177), (1804, 12042), (2007, 10824), (2214, 9812), (2376, 9143), (2453, 8856), (2676, 8118), (2706, 8028), (2952, 7359), (3608, 6021), (4014, 5412), (4059, 5352), (4428, 4906)]