21451253760

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{77587}}^1$

素因数の和:77623

約数の個数: 192

約数和(自身を含む): 76253486400

約数和(自身を除く): 54802232640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2048, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6144, 6912, 7680, 8640, 9216, 10240, 11520, 13824, 15360, 17280, 18432, 23040, 27648, 30720, 34560, 46080, 55296, 69120, 77587, 92160, 138240, 155174, 232761, 276480, 310348, 387935, 465522, 620696, 698283, 775870, 931044, 1163805, 1241392, 1396566, 1551740, 1862088, 2094849, 2327610, 2482784, 2793132, 3103480, 3491415, 3724176, 4189698, 4655220, 4965568, 5586264, 6206960, 6982830, 7448352, 8379396, 9310440, 9931136, 10474245, 11172528, 12413920, 13965660, 14896704, 16758792, 18620880, 19862272, 20948490, 22345056, 24827840, 27931320, 29793408, 33517584, 37241760, 39724544, 41896980, 44690112, 49655680, 55862640, 59586816, 67035168, 74483520, 79449088, 83793960, 89380224, 99311360, 111725280, 119173632, 134070336, 148967040, 158898176, 167587920, 178760448, 198622720, 223450560, 238347264, 268140672, 297934080, 335175840, 357520896, 397245440, 446901120, 476694528, 536281344, 595868160, 670351680, 715041792, 794490880, 893802240, 1072562688, 1191736320, 1340703360, 1430083584, 1787604480, 2145125376, 2383472640, 2681406720, 3575208960, 4290250752, 5362813440, 7150417920, 10725626880, 21451253760]

約数ペア:

[(1, 21451253760), (2, 10725626880), (3, 7150417920), (4, 5362813440), (5, 4290250752), (6, 3575208960), (8, 2681406720), (9, 2383472640), (10, 2145125376), (12, 1787604480), (15, 1430083584), (16, 1340703360), (18, 1191736320), (20, 1072562688), (24, 893802240), (27, 794490880), (30, 715041792), (32, 670351680), (36, 595868160), (40, 536281344), (45, 476694528), (48, 446901120), (54, 397245440), (60, 357520896), (64, 335175840), (72, 297934080), (80, 268140672), (90, 238347264), (96, 223450560), (108, 198622720), (120, 178760448), (128, 167587920), (135, 158898176), (144, 148967040), (160, 134070336), (180, 119173632), (192, 111725280), (216, 99311360), (240, 89380224), (256, 83793960), (270, 79449088), (288, 74483520), (320, 67035168), (360, 59586816), (384, 55862640), (432, 49655680), (480, 44690112), (512, 41896980), (540, 39724544), (576, 37241760), (640, 33517584), (720, 29793408), (768, 27931320), (864, 24827840), (960, 22345056), (1024, 20948490), (1080, 19862272), (1152, 18620880), (1280, 16758792), (1440, 14896704), (1536, 13965660), (1728, 12413920), (1920, 11172528), (2048, 10474245), (2160, 9931136), (2304, 9310440), (2560, 8379396), (2880, 7448352), (3072, 6982830), (3456, 6206960), (3840, 5586264), (4320, 4965568), (4608, 4655220), (5120, 4189698), (5760, 3724176), (6144, 3491415), (6912, 3103480), (7680, 2793132), (8640, 2482784), (9216, 2327610), (10240, 2094849), (11520, 1862088), (13824, 1551740), (15360, 1396566), (17280, 1241392), (18432, 1163805), (23040, 931044), (27648, 775870), (30720, 698283), (34560, 620696), (46080, 465522), (55296, 387935), (69120, 310348), (77587, 276480), (92160, 232761), (138240, 155174)]