21030048

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 66456936

約数和(自身を除く): 45426888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 41, 48, 52, 72, 78, 82, 96, 104, 117, 123, 137, 144, 156, 164, 208, 234, 246, 274, 288, 312, 328, 369, 411, 416, 468, 492, 533, 548, 624, 656, 738, 822, 936, 984, 1066, 1096, 1233, 1248, 1312, 1476, 1599, 1644, 1781, 1872, 1968, 2132, 2192, 2466, 2952, 3198, 3288, 3562, 3744, 3936, 4264, 4384, 4797, 4932, 5343, 5617, 5904, 6396, 6576, 7124, 8528, 9594, 9864, 10686, 11234, 11808, 12792, 13152, 14248, 16029, 16851, 17056, 19188, 19728, 21372, 22468, 25584, 28496, 32058, 33702, 38376, 39456, 42744, 44936, 50553, 51168, 56992, 64116, 67404, 73021, 76752, 85488, 89872, 101106, 128232, 134808, 146042, 153504, 170976, 179744, 202212, 219063, 256464, 269616, 292084, 404424, 438126, 512928, 539232, 584168, 657189, 808848, 876252, 1168336, 1314378, 1617696, 1752504, 2336672, 2628756, 3505008, 5257512, 7010016, 10515024, 21030048]

約数ペア:

[(1, 21030048), (2, 10515024), (3, 7010016), (4, 5257512), (6, 3505008), (8, 2628756), (9, 2336672), (12, 1752504), (13, 1617696), (16, 1314378), (18, 1168336), (24, 876252), (26, 808848), (32, 657189), (36, 584168), (39, 539232), (41, 512928), (48, 438126), (52, 404424), (72, 292084), (78, 269616), (82, 256464), (96, 219063), (104, 202212), (117, 179744), (123, 170976), (137, 153504), (144, 146042), (156, 134808), (164, 128232), (208, 101106), (234, 89872), (246, 85488), (274, 76752), (288, 73021), (312, 67404), (328, 64116), (369, 56992), (411, 51168), (416, 50553), (468, 44936), (492, 42744), (533, 39456), (548, 38376), (624, 33702), (656, 32058), (738, 28496), (822, 25584), (936, 22468), (984, 21372), (1066, 19728), (1096, 19188), (1233, 17056), (1248, 16851), (1312, 16029), (1476, 14248), (1599, 13152), (1644, 12792), (1781, 11808), (1872, 11234), (1968, 10686), (2132, 9864), (2192, 9594), (2466, 8528), (2952, 7124), (3198, 6576), (3288, 6396), (3562, 5904), (3744, 5617), (3936, 5343), (4264, 4932), (4384, 4797)]