21587437440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1249273}}^1$

素因数の和:1249301

約数の個数: 128

約数和(自身を含む): 76455568800

約数和(自身を除く): 54868131360

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1249273, 2498546, 3747819, 4997092, 6246365, 7495638, 9994184, 11243457, 12492730, 14991276, 18739095, 19988368, 22486914, 24985460, 29982552, 33730371, 37478190, 39976736, 44973828, 49970920, 56217285, 59965104, 67460742, 74956380, 79953472, 89947656, 99941840, 112434570, 119930208, 134921484, 149912760, 159906944, 168651855, 179895312, 199883680, 224869140, 239860416, 269842968, 299825520, 337303710, 359790624, 399767360, 449738280, 479720832, 539685936, 599651040, 674607420, 719581248, 799534720, 899476560, 1079371872, 1199302080, 1349214840, 1439162496, 1798953120, 2158743744, 2398604160, 2698429680, 3597906240, 4317487488, 5396859360, 7195812480, 10793718720, 21587437440]

約数ペア:

[(1, 21587437440), (2, 10793718720), (3, 7195812480), (4, 5396859360), (5, 4317487488), (6, 3597906240), (8, 2698429680), (9, 2398604160), (10, 2158743744), (12, 1798953120), (15, 1439162496), (16, 1349214840), (18, 1199302080), (20, 1079371872), (24, 899476560), (27, 799534720), (30, 719581248), (32, 674607420), (36, 599651040), (40, 539685936), (45, 479720832), (48, 449738280), (54, 399767360), (60, 359790624), (64, 337303710), (72, 299825520), (80, 269842968), (90, 239860416), (96, 224869140), (108, 199883680), (120, 179895312), (128, 168651855), (135, 159906944), (144, 149912760), (160, 134921484), (180, 119930208), (192, 112434570), (216, 99941840), (240, 89947656), (270, 79953472), (288, 74956380), (320, 67460742), (360, 59965104), (384, 56217285), (432, 49970920), (480, 44973828), (540, 39976736), (576, 37478190), (640, 33730371), (720, 29982552), (864, 24985460), (960, 22486914), (1080, 19988368), (1152, 18739095), (1440, 14991276), (1728, 12492730), (1920, 11243457), (2160, 9994184), (2880, 7495638), (3456, 6246365), (4320, 4997092), (5760, 3747819), (8640, 2498546), (17280, 1249273)]