21721294080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1885529}}^1$

素因数の和:1885556

約数の個数: 108

約数和(自身を含む): 75153454740

約数和(自身を除く): 53432160660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1885529, 3771058, 5656587, 7542116, 9427645, 11313174, 15084232, 16969761, 18855290, 22626348, 28282935, 30168464, 33939522, 37710580, 45252696, 56565870, 60336928, 67879044, 75421160, 84848805, 90505392, 113131740, 120673856, 135758088, 150842320, 169697610, 181010784, 226263480, 241347712, 271516176, 301684640, 339395220, 362021568, 452526960, 482695424, 543032352, 603369280, 678790440, 724043136, 905053920, 1086064704, 1206738560, 1357580880, 1448086272, 1810107840, 2172129408, 2413477120, 2715161760, 3620215680, 4344258816, 5430323520, 7240431360, 10860647040, 21721294080]

約数ペア:

[(1, 21721294080), (2, 10860647040), (3, 7240431360), (4, 5430323520), (5, 4344258816), (6, 3620215680), (8, 2715161760), (9, 2413477120), (10, 2172129408), (12, 1810107840), (15, 1448086272), (16, 1357580880), (18, 1206738560), (20, 1086064704), (24, 905053920), (30, 724043136), (32, 678790440), (36, 603369280), (40, 543032352), (45, 482695424), (48, 452526960), (60, 362021568), (64, 339395220), (72, 301684640), (80, 271516176), (90, 241347712), (96, 226263480), (120, 181010784), (128, 169697610), (144, 150842320), (160, 135758088), (180, 120673856), (192, 113131740), (240, 90505392), (256, 84848805), (288, 75421160), (320, 67879044), (360, 60336928), (384, 56565870), (480, 45252696), (576, 37710580), (640, 33939522), (720, 30168464), (768, 28282935), (960, 22626348), (1152, 18855290), (1280, 16969761), (1440, 15084232), (1920, 11313174), (2304, 9427645), (2880, 7542116), (3840, 5656587), (5760, 3771058), (11520, 1885529)]