21952320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1792

約数の個数: 112

約数和(自身を含む): 75102720

約数和(自身を除く): 53150400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1759, 2080, 2496, 3120, 3518, 4160, 5277, 6240, 7036, 8795, 10554, 12480, 14072, 17590, 21108, 22867, 26385, 28144, 35180, 42216, 45734, 52770, 56288, 68601, 70360, 84432, 91468, 105540, 112576, 114335, 137202, 140720, 168864, 182936, 211080, 228670, 274404, 281440, 337728, 343005, 365872, 422160, 457340, 548808, 562880, 686010, 731744, 844320, 914680, 1097616, 1372020, 1463488, 1688640, 1829360, 2195232, 2744040, 3658720, 4390464, 5488080, 7317440, 10976160, 21952320]

約数ペア:

[(1, 21952320), (2, 10976160), (3, 7317440), (4, 5488080), (5, 4390464), (6, 3658720), (8, 2744040), (10, 2195232), (12, 1829360), (13, 1688640), (15, 1463488), (16, 1372020), (20, 1097616), (24, 914680), (26, 844320), (30, 731744), (32, 686010), (39, 562880), (40, 548808), (48, 457340), (52, 422160), (60, 365872), (64, 343005), (65, 337728), (78, 281440), (80, 274404), (96, 228670), (104, 211080), (120, 182936), (130, 168864), (156, 140720), (160, 137202), (192, 114335), (195, 112576), (208, 105540), (240, 91468), (260, 84432), (312, 70360), (320, 68601), (390, 56288), (416, 52770), (480, 45734), (520, 42216), (624, 35180), (780, 28144), (832, 26385), (960, 22867), (1040, 21108), (1248, 17590), (1560, 14072), (1759, 12480), (2080, 10554), (2496, 8795), (3120, 7036), (3518, 6240), (4160, 5277)]