21817728

素因数分解:

$2^7\times 3^3\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 44278272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 64, 72, 96, 107, 108, 118, 128, 144, 177, 192, 214, 216, 236, 288, 321, 354, 384, 428, 432, 472, 531, 576, 642, 708, 856, 864, 944, 963, 1062, 1152, 1284, 1416, 1593, 1712, 1728, 1888, 1926, 2124, 2568, 2832, 2889, 3186, 3424, 3456, 3776, 3852, 4248, 5136, 5664, 5778, 6313, 6372, 6848, 7552, 7704, 8496, 10272, 11328, 11556, 12626, 12744, 13696, 15408, 16992, 18939, 20544, 22656, 23112, 25252, 25488, 30816, 33984, 37878, 41088, 46224, 50504, 50976, 56817, 61632, 67968, 75756, 92448, 101008, 101952, 113634, 123264, 151512, 170451, 184896, 202016, 203904, 227268, 303024, 340902, 369792, 404032, 454536, 606048, 681804, 808064, 909072, 1212096, 1363608, 1818144, 2424192, 2727216, 3636288, 5454432, 7272576, 10908864, 21817728]

約数ペア:

[(1, 21817728), (2, 10908864), (3, 7272576), (4, 5454432), (6, 3636288), (8, 2727216), (9, 2424192), (12, 1818144), (16, 1363608), (18, 1212096), (24, 909072), (27, 808064), (32, 681804), (36, 606048), (48, 454536), (54, 404032), (59, 369792), (64, 340902), (72, 303024), (96, 227268), (107, 203904), (108, 202016), (118, 184896), (128, 170451), (144, 151512), (177, 123264), (192, 113634), (214, 101952), (216, 101008), (236, 92448), (288, 75756), (321, 67968), (354, 61632), (384, 56817), (428, 50976), (432, 50504), (472, 46224), (531, 41088), (576, 37878), (642, 33984), (708, 30816), (856, 25488), (864, 25252), (944, 23112), (963, 22656), (1062, 20544), (1152, 18939), (1284, 16992), (1416, 15408), (1593, 13696), (1712, 12744), (1728, 12626), (1888, 11556), (1926, 11328), (2124, 10272), (2568, 8496), (2832, 7704), (2889, 7552), (3186, 6848), (3424, 6372), (3456, 6313), (3776, 5778), (3852, 5664), (4248, 5136)]