21197400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^3\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 77376000

約数和(自身を除く): 56178600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 103, 105, 120, 140, 147, 150, 168, 175, 196, 200, 206, 210, 245, 280, 294, 300, 309, 343, 350, 392, 412, 420, 490, 515, 525, 588, 600, 618, 686, 700, 721, 735, 824, 840, 980, 1029, 1030, 1050, 1176, 1225, 1236, 1372, 1400, 1442, 1470, 1545, 1715, 1960, 2058, 2060, 2100, 2163, 2450, 2472, 2575, 2744, 2884, 2940, 3090, 3430, 3605, 3675, 4116, 4120, 4200, 4326, 4900, 5047, 5145, 5150, 5768, 5880, 6180, 6860, 7210, 7350, 7725, 8232, 8575, 8652, 9800, 10094, 10290, 10300, 10815, 12360, 13720, 14420, 14700, 15141, 15450, 17150, 17304, 18025, 20188, 20580, 20600, 21630, 25235, 25725, 28840, 29400, 30282, 30900, 34300, 35329, 36050, 40376, 41160, 43260, 50470, 51450, 54075, 60564, 61800, 68600, 70658, 72100, 75705, 86520, 100940, 102900, 105987, 108150, 121128, 126175, 141316, 144200, 151410, 176645, 201880, 205800, 211974, 216300, 252350, 282632, 302820, 353290, 378525, 423948, 432600, 504700, 529935, 605640, 706580, 757050, 847896, 883225, 1009400, 1059870, 1413160, 1514100, 1766450, 2119740, 2649675, 3028200, 3532900, 4239480, 5299350, 7065800, 10598700, 21197400]

約数ペア:

[(1, 21197400), (2, 10598700), (3, 7065800), (4, 5299350), (5, 4239480), (6, 3532900), (7, 3028200), (8, 2649675), (10, 2119740), (12, 1766450), (14, 1514100), (15, 1413160), (20, 1059870), (21, 1009400), (24, 883225), (25, 847896), (28, 757050), (30, 706580), (35, 605640), (40, 529935), (42, 504700), (49, 432600), (50, 423948), (56, 378525), (60, 353290), (70, 302820), (75, 282632), (84, 252350), (98, 216300), (100, 211974), (103, 205800), (105, 201880), (120, 176645), (140, 151410), (147, 144200), (150, 141316), (168, 126175), (175, 121128), (196, 108150), (200, 105987), (206, 102900), (210, 100940), (245, 86520), (280, 75705), (294, 72100), (300, 70658), (309, 68600), (343, 61800), (350, 60564), (392, 54075), (412, 51450), (420, 50470), (490, 43260), (515, 41160), (525, 40376), (588, 36050), (600, 35329), (618, 34300), (686, 30900), (700, 30282), (721, 29400), (735, 28840), (824, 25725), (840, 25235), (980, 21630), (1029, 20600), (1030, 20580), (1050, 20188), (1176, 18025), (1225, 17304), (1236, 17150), (1372, 15450), (1400, 15141), (1442, 14700), (1470, 14420), (1545, 13720), (1715, 12360), (1960, 10815), (2058, 10300), (2060, 10290), (2100, 10094), (2163, 9800), (2450, 8652), (2472, 8575), (2575, 8232), (2744, 7725), (2884, 7350), (2940, 7210), (3090, 6860), (3430, 6180), (3605, 5880), (3675, 5768), (4116, 5150), (4120, 5145), (4200, 5047), (4326, 4900)]