21629440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 63638784

約数和(自身を除く): 42009344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 71, 80, 85, 112, 119, 128, 136, 140, 142, 160, 170, 224, 238, 256, 272, 280, 284, 320, 340, 355, 448, 476, 497, 512, 544, 560, 568, 595, 640, 680, 710, 896, 952, 994, 1088, 1120, 1136, 1190, 1207, 1280, 1360, 1420, 1792, 1904, 1988, 2176, 2240, 2272, 2380, 2414, 2485, 2560, 2720, 2840, 3584, 3808, 3976, 4352, 4480, 4544, 4760, 4828, 4970, 5440, 5680, 6035, 7616, 7952, 8449, 8704, 8960, 9088, 9520, 9656, 9940, 10880, 11360, 12070, 15232, 15904, 16898, 17920, 18176, 19040, 19312, 19880, 21760, 22720, 24140, 30464, 31808, 33796, 36352, 38080, 38624, 39760, 42245, 43520, 45440, 48280, 60928, 63616, 67592, 76160, 77248, 79520, 84490, 90880, 96560, 127232, 135184, 152320, 154496, 159040, 168980, 181760, 193120, 254464, 270368, 304640, 308992, 318080, 337960, 386240, 540736, 617984, 636160, 675920, 772480, 1081472, 1272320, 1351840, 1544960, 2162944, 2703680, 3089920, 4325888, 5407360, 10814720, 21629440]

約数ペア:

[(1, 21629440), (2, 10814720), (4, 5407360), (5, 4325888), (7, 3089920), (8, 2703680), (10, 2162944), (14, 1544960), (16, 1351840), (17, 1272320), (20, 1081472), (28, 772480), (32, 675920), (34, 636160), (35, 617984), (40, 540736), (56, 386240), (64, 337960), (68, 318080), (70, 308992), (71, 304640), (80, 270368), (85, 254464), (112, 193120), (119, 181760), (128, 168980), (136, 159040), (140, 154496), (142, 152320), (160, 135184), (170, 127232), (224, 96560), (238, 90880), (256, 84490), (272, 79520), (280, 77248), (284, 76160), (320, 67592), (340, 63616), (355, 60928), (448, 48280), (476, 45440), (497, 43520), (512, 42245), (544, 39760), (560, 38624), (568, 38080), (595, 36352), (640, 33796), (680, 31808), (710, 30464), (896, 24140), (952, 22720), (994, 21760), (1088, 19880), (1120, 19312), (1136, 19040), (1190, 18176), (1207, 17920), (1280, 16898), (1360, 15904), (1420, 15232), (1792, 12070), (1904, 11360), (1988, 10880), (2176, 9940), (2240, 9656), (2272, 9520), (2380, 9088), (2414, 8960), (2485, 8704), (2560, 8449), (2720, 7952), (2840, 7616), (3584, 6035), (3808, 5680), (3976, 5440), (4352, 4970), (4480, 4828), (4544, 4760)]