21401576784

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{164587}}^1$

素因数の和:164654

約数の個数: 160

約数和(自身を含む): 71839370240

約数和(自身を除く): 50437793456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 43, 48, 54, 56, 63, 72, 84, 86, 108, 112, 126, 129, 144, 168, 172, 189, 216, 252, 258, 301, 336, 344, 378, 387, 432, 504, 516, 602, 688, 756, 774, 903, 1008, 1032, 1161, 1204, 1512, 1548, 1806, 2064, 2322, 2408, 2709, 3024, 3096, 3612, 4644, 4816, 5418, 6192, 7224, 8127, 9288, 10836, 14448, 16254, 18576, 21672, 32508, 43344, 65016, 130032, 164587, 329174, 493761, 658348, 987522, 1152109, 1316696, 1481283, 1975044, 2304218, 2633392, 2962566, 3456327, 3950088, 4443849, 4608436, 5925132, 6912654, 7077241, 7900176, 8887698, 9216872, 10368981, 11850264, 13825308, 14154482, 17775396, 18433744, 20737962, 21231723, 23700528, 27650616, 28308964, 31106943, 35550792, 41475924, 42463446, 49540687, 55301232, 56617928, 62213886, 63695169, 71101584, 82951848, 84926892, 99081374, 113235856, 124427772, 127390338, 148622061, 165903696, 169853784, 191085507, 198162748, 248855544, 254780676, 297244122, 339707568, 382171014, 396325496, 445866183, 497711088, 509561352, 594488244, 764342028, 792650992, 891732366, 1019122704, 1188976488, 1337598549, 1528684056, 1783464732, 2377952976, 2675197098, 3057368112, 3566929464, 5350394196, 7133858928, 10700788392, 21401576784]

約数ペア:

[(1, 21401576784), (2, 10700788392), (3, 7133858928), (4, 5350394196), (6, 3566929464), (7, 3057368112), (8, 2675197098), (9, 2377952976), (12, 1783464732), (14, 1528684056), (16, 1337598549), (18, 1188976488), (21, 1019122704), (24, 891732366), (27, 792650992), (28, 764342028), (36, 594488244), (42, 509561352), (43, 497711088), (48, 445866183), (54, 396325496), (56, 382171014), (63, 339707568), (72, 297244122), (84, 254780676), (86, 248855544), (108, 198162748), (112, 191085507), (126, 169853784), (129, 165903696), (144, 148622061), (168, 127390338), (172, 124427772), (189, 113235856), (216, 99081374), (252, 84926892), (258, 82951848), (301, 71101584), (336, 63695169), (344, 62213886), (378, 56617928), (387, 55301232), (432, 49540687), (504, 42463446), (516, 41475924), (602, 35550792), (688, 31106943), (756, 28308964), (774, 27650616), (903, 23700528), (1008, 21231723), (1032, 20737962), (1161, 18433744), (1204, 17775396), (1512, 14154482), (1548, 13825308), (1806, 11850264), (2064, 10368981), (2322, 9216872), (2408, 8887698), (2709, 7900176), (3024, 7077241), (3096, 6912654), (3612, 5925132), (4644, 4608436), (4816, 4443849), (5418, 3950088), (6192, 3456327), (7224, 2962566), (8127, 2633392), (9288, 2304218), (10836, 1975044), (14448, 1481283), (16254, 1316696), (18576, 1152109), (21672, 987522), (32508, 658348), (43344, 493761), (65016, 329174), (130032, 164587)]