21554400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1283}}^1$

素因数の和:1313

約数の個数: 144

約数和(自身を含む): 80244864

約数和(自身を除く): 58690464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1283, 1400, 1680, 2100, 2400, 2566, 2800, 3360, 3849, 4200, 5132, 5600, 6415, 7698, 8400, 8981, 10264, 12830, 15396, 16800, 17962, 19245, 20528, 25660, 26943, 30792, 32075, 35924, 38490, 41056, 44905, 51320, 53886, 61584, 64150, 71848, 76980, 89810, 96225, 102640, 107772, 123168, 128300, 134715, 143696, 153960, 179620, 192450, 205280, 215544, 224525, 256600, 269430, 287392, 307920, 359240, 384900, 431088, 449050, 513200, 538860, 615840, 673575, 718480, 769800, 862176, 898100, 1026400, 1077720, 1347150, 1436960, 1539600, 1796200, 2155440, 2694300, 3079200, 3592400, 4310880, 5388600, 7184800, 10777200, 21554400]

約数ペア:

[(1, 21554400), (2, 10777200), (3, 7184800), (4, 5388600), (5, 4310880), (6, 3592400), (7, 3079200), (8, 2694300), (10, 2155440), (12, 1796200), (14, 1539600), (15, 1436960), (16, 1347150), (20, 1077720), (21, 1026400), (24, 898100), (25, 862176), (28, 769800), (30, 718480), (32, 673575), (35, 615840), (40, 538860), (42, 513200), (48, 449050), (50, 431088), (56, 384900), (60, 359240), (70, 307920), (75, 287392), (80, 269430), (84, 256600), (96, 224525), (100, 215544), (105, 205280), (112, 192450), (120, 179620), (140, 153960), (150, 143696), (160, 134715), (168, 128300), (175, 123168), (200, 107772), (210, 102640), (224, 96225), (240, 89810), (280, 76980), (300, 71848), (336, 64150), (350, 61584), (400, 53886), (420, 51320), (480, 44905), (525, 41056), (560, 38490), (600, 35924), (672, 32075), (700, 30792), (800, 26943), (840, 25660), (1050, 20528), (1120, 19245), (1200, 17962), (1283, 16800), (1400, 15396), (1680, 12830), (2100, 10264), (2400, 8981), (2566, 8400), (2800, 7698), (3360, 6415), (3849, 5600), (4200, 5132)]