21285264

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 73995264

約数和(自身を除く): 52710000

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 429, 443, 462, 528, 546, 572, 616, 624, 728, 858, 886, 924, 1001, 1092, 1144, 1232, 1329, 1456, 1716, 1772, 1848, 2002, 2184, 2288, 2658, 3003, 3101, 3432, 3544, 3696, 4004, 4368, 4873, 5316, 5759, 6006, 6202, 6864, 7088, 8008, 9303, 9746, 10632, 11518, 12012, 12404, 14619, 16016, 17277, 18606, 19492, 21264, 23036, 24024, 24808, 29238, 34111, 34554, 37212, 38984, 40313, 46072, 48048, 49616, 58476, 63349, 68222, 69108, 74424, 77968, 80626, 92144, 102333, 116952, 120939, 126698, 136444, 138216, 148848, 161252, 190047, 204666, 233904, 241878, 253396, 272888, 276432, 322504, 380094, 409332, 443443, 483756, 506792, 545776, 645008, 760188, 818664, 886886, 967512, 1013584, 1330329, 1520376, 1637328, 1773772, 1935024, 2660658, 3040752, 3547544, 5321316, 7095088, 10642632, 21285264]

約数ペア:

[(1, 21285264), (2, 10642632), (3, 7095088), (4, 5321316), (6, 3547544), (7, 3040752), (8, 2660658), (11, 1935024), (12, 1773772), (13, 1637328), (14, 1520376), (16, 1330329), (21, 1013584), (22, 967512), (24, 886886), (26, 818664), (28, 760188), (33, 645008), (39, 545776), (42, 506792), (44, 483756), (48, 443443), (52, 409332), (56, 380094), (66, 322504), (77, 276432), (78, 272888), (84, 253396), (88, 241878), (91, 233904), (104, 204666), (112, 190047), (132, 161252), (143, 148848), (154, 138216), (156, 136444), (168, 126698), (176, 120939), (182, 116952), (208, 102333), (231, 92144), (264, 80626), (273, 77968), (286, 74424), (308, 69108), (312, 68222), (336, 63349), (364, 58476), (429, 49616), (443, 48048), (462, 46072), (528, 40313), (546, 38984), (572, 37212), (616, 34554), (624, 34111), (728, 29238), (858, 24808), (886, 24024), (924, 23036), (1001, 21264), (1092, 19492), (1144, 18606), (1232, 17277), (1329, 16016), (1456, 14619), (1716, 12404), (1772, 12012), (1848, 11518), (2002, 10632), (2184, 9746), (2288, 9303), (2658, 8008), (3003, 7088), (3101, 6864), (3432, 6202), (3544, 6006), (3696, 5759), (4004, 5316), (4368, 4873)]