21506400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 216

約数和(自身を含む): 79213680

約数和(自身を除く): 57707280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 32, 36, 40, 45, 48, 50, 58, 60, 72, 75, 80, 87, 90, 96, 100, 103, 116, 120, 144, 145, 150, 160, 174, 180, 200, 206, 225, 232, 240, 261, 288, 290, 300, 309, 348, 360, 400, 412, 435, 450, 464, 480, 515, 522, 580, 600, 618, 696, 720, 725, 800, 824, 870, 900, 927, 928, 1030, 1044, 1160, 1200, 1236, 1305, 1392, 1440, 1450, 1545, 1648, 1740, 1800, 1854, 2060, 2088, 2175, 2320, 2400, 2472, 2575, 2610, 2784, 2900, 2987, 3090, 3296, 3480, 3600, 3708, 4120, 4176, 4350, 4635, 4640, 4944, 5150, 5220, 5800, 5974, 6180, 6525, 6960, 7200, 7416, 7725, 8240, 8352, 8700, 8961, 9270, 9888, 10300, 10440, 11600, 11948, 12360, 13050, 13920, 14832, 14935, 15450, 16480, 17400, 17922, 18540, 20600, 20880, 23175, 23200, 23896, 24720, 26100, 26883, 29664, 29870, 30900, 34800, 35844, 37080, 41200, 41760, 44805, 46350, 47792, 49440, 52200, 53766, 59740, 61800, 69600, 71688, 74160, 74675, 82400, 89610, 92700, 95584, 104400, 107532, 119480, 123600, 134415, 143376, 148320, 149350, 179220, 185400, 208800, 215064, 224025, 238960, 247200, 268830, 286752, 298700, 358440, 370800, 430128, 448050, 477920, 537660, 597400, 672075, 716880, 741600, 860256, 896100, 1075320, 1194800, 1344150, 1433760, 1792200, 2150640, 2389600, 2688300, 3584400, 4301280, 5376600, 7168800, 10753200, 21506400]

約数ペア:

[(1, 21506400), (2, 10753200), (3, 7168800), (4, 5376600), (5, 4301280), (6, 3584400), (8, 2688300), (9, 2389600), (10, 2150640), (12, 1792200), (15, 1433760), (16, 1344150), (18, 1194800), (20, 1075320), (24, 896100), (25, 860256), (29, 741600), (30, 716880), (32, 672075), (36, 597400), (40, 537660), (45, 477920), (48, 448050), (50, 430128), (58, 370800), (60, 358440), (72, 298700), (75, 286752), (80, 268830), (87, 247200), (90, 238960), (96, 224025), (100, 215064), (103, 208800), (116, 185400), (120, 179220), (144, 149350), (145, 148320), (150, 143376), (160, 134415), (174, 123600), (180, 119480), (200, 107532), (206, 104400), (225, 95584), (232, 92700), (240, 89610), (261, 82400), (288, 74675), (290, 74160), (300, 71688), (309, 69600), (348, 61800), (360, 59740), (400, 53766), (412, 52200), (435, 49440), (450, 47792), (464, 46350), (480, 44805), (515, 41760), (522, 41200), (580, 37080), (600, 35844), (618, 34800), (696, 30900), (720, 29870), (725, 29664), (800, 26883), (824, 26100), (870, 24720), (900, 23896), (927, 23200), (928, 23175), (1030, 20880), (1044, 20600), (1160, 18540), (1200, 17922), (1236, 17400), (1305, 16480), (1392, 15450), (1440, 14935), (1450, 14832), (1545, 13920), (1648, 13050), (1740, 12360), (1800, 11948), (1854, 11600), (2060, 10440), (2088, 10300), (2175, 9888), (2320, 9270), (2400, 8961), (2472, 8700), (2575, 8352), (2610, 8240), (2784, 7725), (2900, 7416), (2987, 7200), (3090, 6960), (3296, 6525), (3480, 6180), (3600, 5974), (3708, 5800), (4120, 5220), (4176, 5150), (4350, 4944), (4635, 4640)]