21041671680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5279}}^1$

素因数の和:5481

約数の個数: 240

約数和(自身を含む): 73308343680

約数和(自身を除く): 52266672000

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, 173, 180, 192, 240, 256, 288, 320, 346, 360, 384, 480, 512, 519, 576, 640, 692, 720, 768, 865, 960, 1038, 1152, 1280, 1384, 1440, 1536, 1557, 1730, 1920, 2076, 2304, 2560, 2595, 2768, 2880, 3114, 3460, 3840, 4152, 4608, 5190, 5279, 5536, 5760, 6228, 6920, 7680, 7785, 8304, 10380, 10558, 11072, 11520, 12456, 13840, 15570, 15837, 16608, 20760, 21116, 22144, 23040, 24912, 26395, 27680, 31140, 31674, 33216, 41520, 42232, 44288, 47511, 49824, 52790, 55360, 62280, 63348, 66432, 79185, 83040, 84464, 88576, 95022, 99648, 105580, 110720, 124560, 126696, 132864, 158370, 166080, 168928, 190044, 199296, 211160, 221440, 237555, 249120, 253392, 265728, 316740, 332160, 337856, 380088, 398592, 422320, 442880, 475110, 498240, 506784, 633480, 664320, 675712, 760176, 797184, 844640, 913267, 950220, 996480, 1013568, 1266960, 1328640, 1351424, 1520352, 1689280, 1826534, 1900440, 1992960, 2027136, 2533920, 2702848, 2739801, 3040704, 3378560, 3653068, 3800880, 3985920, 4054272, 4566335, 5067840, 5479602, 6081408, 6757120, 7306136, 7601760, 8108544, 8219403, 9132670, 10135680, 10959204, 12162816, 13514240, 13699005, 14612272, 15203520, 16438806, 18265340, 20271360, 21918408, 24325632, 27398010, 29224544, 30407040, 32877612, 36530680, 40542720, 41097015, 43836816, 54796020, 58449088, 60814080, 65755224, 73061360, 82194030, 87673632, 109592040, 116898176, 121628160, 131510448, 146122720, 164388060, 175347264, 219184080, 233796352, 263020896, 292245440, 328776120, 350694528, 438368160, 467592704, 526041792, 584490880, 657552240, 701389056, 876736320, 1052083584, 1168981760, 1315104480, 1402778112, 1753472640, 2104167168, 2337963520, 2630208960, 3506945280, 4208334336, 5260417920, 7013890560, 10520835840, 21041671680]

約数ペア:

[(1, 21041671680), (2, 10520835840), (3, 7013890560), (4, 5260417920), (5, 4208334336), (6, 3506945280), (8, 2630208960), (9, 2337963520), (10, 2104167168), (12, 1753472640), (15, 1402778112), (16, 1315104480), (18, 1168981760), (20, 1052083584), (24, 876736320), (30, 701389056), (32, 657552240), (36, 584490880), (40, 526041792), (45, 467592704), (48, 438368160), (60, 350694528), (64, 328776120), (72, 292245440), (80, 263020896), (90, 233796352), (96, 219184080), (120, 175347264), (128, 164388060), (144, 146122720), (160, 131510448), (173, 121628160), (180, 116898176), (192, 109592040), (240, 87673632), (256, 82194030), (288, 73061360), (320, 65755224), (346, 60814080), (360, 58449088), (384, 54796020), (480, 43836816), (512, 41097015), (519, 40542720), (576, 36530680), (640, 32877612), (692, 30407040), (720, 29224544), (768, 27398010), (865, 24325632), (960, 21918408), (1038, 20271360), (1152, 18265340), (1280, 16438806), (1384, 15203520), (1440, 14612272), (1536, 13699005), (1557, 13514240), (1730, 12162816), (1920, 10959204), (2076, 10135680), (2304, 9132670), (2560, 8219403), (2595, 8108544), (2768, 7601760), (2880, 7306136), (3114, 6757120), (3460, 6081408), (3840, 5479602), (4152, 5067840), (4608, 4566335), (5190, 4054272), (5279, 3985920), (5536, 3800880), (5760, 3653068), (6228, 3378560), (6920, 3040704), (7680, 2739801), (7785, 2702848), (8304, 2533920), (10380, 2027136), (10558, 1992960), (11072, 1900440), (11520, 1826534), (12456, 1689280), (13840, 1520352), (15570, 1351424), (15837, 1328640), (16608, 1266960), (20760, 1013568), (21116, 996480), (22144, 950220), (23040, 913267), (24912, 844640), (26395, 797184), (27680, 760176), (31140, 675712), (31674, 664320), (33216, 633480), (41520, 506784), (42232, 498240), (44288, 475110), (47511, 442880), (49824, 422320), (52790, 398592), (55360, 380088), (62280, 337856), (63348, 332160), (66432, 316740), (79185, 265728), (83040, 253392), (84464, 249120), (88576, 237555), (95022, 221440), (99648, 211160), (105580, 199296), (110720, 190044), (124560, 168928), (126696, 166080), (132864, 158370)]