21089112

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41948328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 37, 44, 51, 66, 68, 74, 88, 102, 111, 127, 132, 136, 148, 187, 204, 222, 254, 264, 296, 374, 381, 407, 408, 444, 508, 561, 629, 748, 762, 814, 888, 1016, 1122, 1221, 1258, 1397, 1496, 1524, 1628, 1887, 2159, 2244, 2442, 2516, 2794, 3048, 3256, 3774, 4191, 4318, 4488, 4699, 4884, 5032, 5588, 6477, 6919, 7548, 8382, 8636, 9398, 9768, 11176, 12954, 13838, 14097, 15096, 16764, 17272, 18796, 20757, 23749, 25908, 27676, 28194, 33528, 37592, 41514, 47498, 51689, 51816, 55352, 56388, 71247, 79883, 83028, 94996, 103378, 112776, 142494, 155067, 159766, 166056, 189992, 206756, 239649, 284988, 310134, 319532, 413512, 479298, 569976, 620268, 639064, 878713, 958596, 1240536, 1757426, 1917192, 2636139, 3514852, 5272278, 7029704, 10544556, 21089112]

約数ペア:

[(1, 21089112), (2, 10544556), (3, 7029704), (4, 5272278), (6, 3514852), (8, 2636139), (11, 1917192), (12, 1757426), (17, 1240536), (22, 958596), (24, 878713), (33, 639064), (34, 620268), (37, 569976), (44, 479298), (51, 413512), (66, 319532), (68, 310134), (74, 284988), (88, 239649), (102, 206756), (111, 189992), (127, 166056), (132, 159766), (136, 155067), (148, 142494), (187, 112776), (204, 103378), (222, 94996), (254, 83028), (264, 79883), (296, 71247), (374, 56388), (381, 55352), (407, 51816), (408, 51689), (444, 47498), (508, 41514), (561, 37592), (629, 33528), (748, 28194), (762, 27676), (814, 25908), (888, 23749), (1016, 20757), (1122, 18796), (1221, 17272), (1258, 16764), (1397, 15096), (1496, 14097), (1524, 13838), (1628, 12954), (1887, 11176), (2159, 9768), (2244, 9398), (2442, 8636), (2516, 8382), (2794, 7548), (3048, 6919), (3256, 6477), (3774, 5588), (4191, 5032), (4318, 4884), (4488, 4699)]