21570048

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 120

約数和(自身を含む): 64686336

約数和(自身を除く): 43116288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 151, 186, 192, 248, 256, 279, 288, 302, 372, 384, 453, 496, 512, 558, 576, 604, 744, 768, 906, 992, 1116, 1152, 1208, 1359, 1488, 1536, 1812, 1984, 2232, 2304, 2416, 2718, 2976, 3624, 3968, 4464, 4608, 4681, 4832, 5436, 5952, 7248, 7936, 8928, 9362, 9664, 10872, 11904, 14043, 14496, 15872, 17856, 18724, 19328, 21744, 23808, 28086, 28992, 35712, 37448, 38656, 42129, 43488, 47616, 56172, 57984, 71424, 74896, 77312, 84258, 86976, 112344, 115968, 142848, 149792, 168516, 173952, 224688, 231936, 299584, 337032, 347904, 449376, 599168, 674064, 695808, 898752, 1198336, 1348128, 1797504, 2396672, 2696256, 3595008, 5392512, 7190016, 10785024, 21570048]

約数ペア:

[(1, 21570048), (2, 10785024), (3, 7190016), (4, 5392512), (6, 3595008), (8, 2696256), (9, 2396672), (12, 1797504), (16, 1348128), (18, 1198336), (24, 898752), (31, 695808), (32, 674064), (36, 599168), (48, 449376), (62, 347904), (64, 337032), (72, 299584), (93, 231936), (96, 224688), (124, 173952), (128, 168516), (144, 149792), (151, 142848), (186, 115968), (192, 112344), (248, 86976), (256, 84258), (279, 77312), (288, 74896), (302, 71424), (372, 57984), (384, 56172), (453, 47616), (496, 43488), (512, 42129), (558, 38656), (576, 37448), (604, 35712), (744, 28992), (768, 28086), (906, 23808), (992, 21744), (1116, 19328), (1152, 18724), (1208, 17856), (1359, 15872), (1488, 14496), (1536, 14043), (1812, 11904), (1984, 10872), (2232, 9664), (2304, 9362), (2416, 8928), (2718, 7936), (2976, 7248), (3624, 5952), (3968, 5436), (4464, 4832), (4608, 4681)]