21421224

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 70424640

約数和(自身を除く): 49003416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 37, 43, 44, 51, 66, 68, 72, 74, 86, 88, 99, 102, 111, 129, 132, 136, 148, 153, 172, 187, 198, 204, 222, 258, 264, 296, 306, 333, 344, 374, 387, 396, 407, 408, 444, 473, 516, 561, 612, 629, 666, 731, 748, 774, 792, 814, 888, 946, 1032, 1122, 1221, 1224, 1258, 1332, 1419, 1462, 1496, 1548, 1591, 1628, 1683, 1887, 1892, 2193, 2244, 2442, 2516, 2664, 2838, 2924, 3096, 3182, 3256, 3366, 3663, 3774, 3784, 4257, 4386, 4488, 4773, 4884, 5032, 5661, 5676, 5848, 6364, 6579, 6732, 6919, 7326, 7548, 8041, 8514, 8772, 9546, 9768, 11322, 11352, 12728, 13158, 13464, 13838, 14319, 14652, 15096, 16082, 17028, 17501, 17544, 19092, 20757, 22644, 24123, 26316, 27047, 27676, 28638, 29304, 32164, 34056, 35002, 38184, 41514, 45288, 48246, 52503, 52632, 54094, 55352, 57276, 62271, 64328, 70004, 72369, 81141, 83028, 96492, 105006, 108188, 114552, 124542, 140008, 144738, 157509, 162282, 166056, 192984, 210012, 216376, 243423, 249084, 289476, 297517, 315018, 324564, 420024, 486846, 498168, 578952, 595034, 630036, 649128, 892551, 973692, 1190068, 1260072, 1785102, 1947384, 2380136, 2677653, 3570204, 5355306, 7140408, 10710612, 21421224]

約数ペア:

[(1, 21421224), (2, 10710612), (3, 7140408), (4, 5355306), (6, 3570204), (8, 2677653), (9, 2380136), (11, 1947384), (12, 1785102), (17, 1260072), (18, 1190068), (22, 973692), (24, 892551), (33, 649128), (34, 630036), (36, 595034), (37, 578952), (43, 498168), (44, 486846), (51, 420024), (66, 324564), (68, 315018), (72, 297517), (74, 289476), (86, 249084), (88, 243423), (99, 216376), (102, 210012), (111, 192984), (129, 166056), (132, 162282), (136, 157509), (148, 144738), (153, 140008), (172, 124542), (187, 114552), (198, 108188), (204, 105006), (222, 96492), (258, 83028), (264, 81141), (296, 72369), (306, 70004), (333, 64328), (344, 62271), (374, 57276), (387, 55352), (396, 54094), (407, 52632), (408, 52503), (444, 48246), (473, 45288), (516, 41514), (561, 38184), (612, 35002), (629, 34056), (666, 32164), (731, 29304), (748, 28638), (774, 27676), (792, 27047), (814, 26316), (888, 24123), (946, 22644), (1032, 20757), (1122, 19092), (1221, 17544), (1224, 17501), (1258, 17028), (1332, 16082), (1419, 15096), (1462, 14652), (1496, 14319), (1548, 13838), (1591, 13464), (1628, 13158), (1683, 12728), (1887, 11352), (1892, 11322), (2193, 9768), (2244, 9546), (2442, 8772), (2516, 8514), (2664, 8041), (2838, 7548), (2924, 7326), (3096, 6919), (3182, 6732), (3256, 6579), (3366, 6364), (3663, 5848), (3774, 5676), (3784, 5661), (4257, 5032), (4386, 4884), (4488, 4773)]