21411600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2549}}^1$

素因数の和:2577

約数の個数: 120

約数和(自身を含む): 78417600

約数和(自身を除く): 57006000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2549, 2800, 4200, 5098, 7647, 8400, 10196, 12745, 15294, 17843, 20392, 25490, 30588, 35686, 38235, 40784, 50980, 53529, 61176, 63725, 71372, 76470, 89215, 101960, 107058, 122352, 127450, 142744, 152940, 178430, 191175, 203920, 214116, 254900, 267645, 285488, 305880, 356860, 382350, 428232, 446075, 509800, 535290, 611760, 713720, 764700, 856464, 892150, 1019600, 1070580, 1338225, 1427440, 1529400, 1784300, 2141160, 2676450, 3058800, 3568600, 4282320, 5352900, 7137200, 10705800, 21411600]

約数ペア:

[(1, 21411600), (2, 10705800), (3, 7137200), (4, 5352900), (5, 4282320), (6, 3568600), (7, 3058800), (8, 2676450), (10, 2141160), (12, 1784300), (14, 1529400), (15, 1427440), (16, 1338225), (20, 1070580), (21, 1019600), (24, 892150), (25, 856464), (28, 764700), (30, 713720), (35, 611760), (40, 535290), (42, 509800), (48, 446075), (50, 428232), (56, 382350), (60, 356860), (70, 305880), (75, 285488), (80, 267645), (84, 254900), (100, 214116), (105, 203920), (112, 191175), (120, 178430), (140, 152940), (150, 142744), (168, 127450), (175, 122352), (200, 107058), (210, 101960), (240, 89215), (280, 76470), (300, 71372), (336, 63725), (350, 61176), (400, 53529), (420, 50980), (525, 40784), (560, 38235), (600, 35686), (700, 30588), (840, 25490), (1050, 20392), (1200, 17843), (1400, 15294), (1680, 12745), (2100, 10196), (2549, 8400), (2800, 7647), (4200, 5098)]