21588168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 66539520

約数和(自身を除く): 44951352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 69, 74, 84, 92, 111, 138, 148, 151, 161, 168, 184, 222, 259, 276, 296, 302, 322, 444, 453, 483, 518, 552, 604, 644, 777, 851, 888, 906, 966, 1036, 1057, 1208, 1288, 1554, 1702, 1812, 1932, 2072, 2114, 2553, 3108, 3171, 3404, 3473, 3624, 3864, 4228, 5106, 5587, 5957, 6216, 6342, 6808, 6946, 8456, 10212, 10419, 11174, 11914, 12684, 13892, 16761, 17871, 20424, 20838, 22348, 23828, 24311, 25368, 27784, 33522, 35742, 39109, 41676, 44696, 47656, 48622, 67044, 71484, 72933, 78218, 83352, 97244, 117327, 128501, 134088, 142968, 145866, 156436, 194488, 234654, 257002, 291732, 312872, 385503, 469308, 514004, 583464, 771006, 899507, 938616, 1028008, 1542012, 1799014, 2698521, 3084024, 3598028, 5397042, 7196056, 10794084, 21588168]

約数ペア:

[(1, 21588168), (2, 10794084), (3, 7196056), (4, 5397042), (6, 3598028), (7, 3084024), (8, 2698521), (12, 1799014), (14, 1542012), (21, 1028008), (23, 938616), (24, 899507), (28, 771006), (37, 583464), (42, 514004), (46, 469308), (56, 385503), (69, 312872), (74, 291732), (84, 257002), (92, 234654), (111, 194488), (138, 156436), (148, 145866), (151, 142968), (161, 134088), (168, 128501), (184, 117327), (222, 97244), (259, 83352), (276, 78218), (296, 72933), (302, 71484), (322, 67044), (444, 48622), (453, 47656), (483, 44696), (518, 41676), (552, 39109), (604, 35742), (644, 33522), (777, 27784), (851, 25368), (888, 24311), (906, 23828), (966, 22348), (1036, 20838), (1057, 20424), (1208, 17871), (1288, 16761), (1554, 13892), (1702, 12684), (1812, 11914), (1932, 11174), (2072, 10419), (2114, 10212), (2553, 8456), (3108, 6946), (3171, 6808), (3404, 6342), (3473, 6216), (3624, 5957), (3864, 5587), (4228, 5106)]