21201768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 50683032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 31, 36, 42, 46, 56, 59, 62, 63, 69, 72, 84, 92, 93, 118, 124, 126, 138, 161, 168, 177, 184, 186, 207, 217, 236, 248, 252, 276, 279, 322, 354, 372, 413, 414, 434, 472, 483, 504, 531, 552, 558, 644, 651, 708, 713, 744, 826, 828, 868, 966, 1062, 1116, 1239, 1288, 1302, 1357, 1416, 1426, 1449, 1652, 1656, 1736, 1829, 1932, 1953, 2124, 2139, 2232, 2478, 2604, 2714, 2852, 2898, 3304, 3658, 3717, 3864, 3906, 4071, 4248, 4278, 4956, 4991, 5208, 5428, 5487, 5704, 5796, 6417, 7316, 7434, 7812, 8142, 8556, 9499, 9912, 9982, 10856, 10974, 11592, 12213, 12803, 12834, 14632, 14868, 14973, 15624, 16284, 16461, 17112, 18998, 19964, 21948, 24426, 25606, 25668, 28497, 29736, 29946, 32568, 32922, 37996, 38409, 39928, 42067, 43896, 44919, 48852, 51212, 51336, 56994, 59892, 65844, 75992, 76818, 84134, 85491, 89838, 97704, 102424, 113988, 115227, 119784, 126201, 131688, 153636, 168268, 170982, 179676, 227976, 230454, 252402, 294469, 307272, 336536, 341964, 359352, 378603, 460908, 504804, 588938, 683928, 757206, 883407, 921816, 1009608, 1177876, 1514412, 1766814, 2355752, 2650221, 3028824, 3533628, 5300442, 7067256, 10600884, 21201768]

約数ペア:

[(1, 21201768), (2, 10600884), (3, 7067256), (4, 5300442), (6, 3533628), (7, 3028824), (8, 2650221), (9, 2355752), (12, 1766814), (14, 1514412), (18, 1177876), (21, 1009608), (23, 921816), (24, 883407), (28, 757206), (31, 683928), (36, 588938), (42, 504804), (46, 460908), (56, 378603), (59, 359352), (62, 341964), (63, 336536), (69, 307272), (72, 294469), (84, 252402), (92, 230454), (93, 227976), (118, 179676), (124, 170982), (126, 168268), (138, 153636), (161, 131688), (168, 126201), (177, 119784), (184, 115227), (186, 113988), (207, 102424), (217, 97704), (236, 89838), (248, 85491), (252, 84134), (276, 76818), (279, 75992), (322, 65844), (354, 59892), (372, 56994), (413, 51336), (414, 51212), (434, 48852), (472, 44919), (483, 43896), (504, 42067), (531, 39928), (552, 38409), (558, 37996), (644, 32922), (651, 32568), (708, 29946), (713, 29736), (744, 28497), (826, 25668), (828, 25606), (868, 24426), (966, 21948), (1062, 19964), (1116, 18998), (1239, 17112), (1288, 16461), (1302, 16284), (1357, 15624), (1416, 14973), (1426, 14868), (1449, 14632), (1652, 12834), (1656, 12803), (1736, 12213), (1829, 11592), (1932, 10974), (1953, 10856), (2124, 9982), (2139, 9912), (2232, 9499), (2478, 8556), (2604, 8142), (2714, 7812), (2852, 7434), (2898, 7316), (3304, 6417), (3658, 5796), (3717, 5704), (3864, 5487), (3906, 5428), (4071, 5208), (4248, 4991), (4278, 4956)]