21257147520

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{58579}}^1$

素因数の和:58617

約数の個数: 320

約数和(自身を含む): 86759323200

約数和(自身を除く): 65502175680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2268, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 4032, 4320, 4480, 4536, 5040, 5184, 5670, 5760, 6048, 6480, 6720, 7560, 8064, 8640, 9072, 10080, 10368, 11340, 12096, 12960, 13440, 15120, 17280, 18144, 20160, 22680, 24192, 25920, 30240, 36288, 40320, 45360, 51840, 58579, 60480, 72576, 90720, 117158, 120960, 175737, 181440, 234316, 292895, 351474, 362880, 410053, 468632, 527211, 585790, 702948, 820106, 878685, 937264, 1054422, 1171580, 1230159, 1405896, 1581633, 1640212, 1757370, 1874528, 2050265, 2108844, 2343160, 2460318, 2636055, 2811792, 3163266, 3280424, 3514740, 3690477, 3749056, 4100530, 4217688, 4686320, 4744899, 4920636, 5272110, 5623584, 6150795, 6326532, 6560848, 7029480, 7380954, 7498112, 7908165, 8201060, 8435376, 9372640, 9489798, 9841272, 10544220, 11071431, 11247168, 12301590, 12653064, 13121696, 14058960, 14761908, 15816330, 16402120, 16870752, 18452385, 18745280, 18979596, 19682544, 21088440, 22142862, 22494336, 23724495, 24603180, 25306128, 26243392, 28117920, 29523816, 31632660, 32804240, 33214293, 33741504, 36904770, 37490560, 37959192, 39365088, 42176880, 44285724, 47448990, 49206360, 50612256, 52486784, 55357155, 56235840, 59047632, 63265320, 65608480, 66428586, 67483008, 73809540, 75918384, 78730176, 84353760, 88571448, 94897980, 98412720, 101224512, 110714310, 112471680, 118095264, 126530640, 131216960, 132857172, 147619080, 151836768, 157460352, 166071465, 168707520, 177142896, 189795960, 196825440, 202449024, 221428620, 236190528, 253061280, 262433920, 265714344, 295238160, 303673536, 332142930, 337415040, 354285792, 379591920, 393650880, 442857240, 472381056, 506122560, 531428688, 590476320, 607347072, 664285860, 708571584, 759183840, 787301760, 885714480, 1012245120, 1062857376, 1180952640, 1328571720, 1417143168, 1518367680, 1771428960, 2125714752, 2361905280, 2657143440, 3036735360, 3542857920, 4251429504, 5314286880, 7085715840, 10628573760, 21257147520]

約数ペア:

[(1, 21257147520), (2, 10628573760), (3, 7085715840), (4, 5314286880), (5, 4251429504), (6, 3542857920), (7, 3036735360), (8, 2657143440), (9, 2361905280), (10, 2125714752), (12, 1771428960), (14, 1518367680), (15, 1417143168), (16, 1328571720), (18, 1180952640), (20, 1062857376), (21, 1012245120), (24, 885714480), (27, 787301760), (28, 759183840), (30, 708571584), (32, 664285860), (35, 607347072), (36, 590476320), (40, 531428688), (42, 506122560), (45, 472381056), (48, 442857240), (54, 393650880), (56, 379591920), (60, 354285792), (63, 337415040), (64, 332142930), (70, 303673536), (72, 295238160), (80, 265714344), (81, 262433920), (84, 253061280), (90, 236190528), (96, 221428620), (105, 202449024), (108, 196825440), (112, 189795960), (120, 177142896), (126, 168707520), (128, 166071465), (135, 157460352), (140, 151836768), (144, 147619080), (160, 132857172), (162, 131216960), (168, 126530640), (180, 118095264), (189, 112471680), (192, 110714310), (210, 101224512), (216, 98412720), (224, 94897980), (240, 88571448), (252, 84353760), (270, 78730176), (280, 75918384), (288, 73809540), (315, 67483008), (320, 66428586), (324, 65608480), (336, 63265320), (360, 59047632), (378, 56235840), (384, 55357155), (405, 52486784), (420, 50612256), (432, 49206360), (448, 47448990), (480, 44285724), (504, 42176880), (540, 39365088), (560, 37959192), (567, 37490560), (576, 36904770), (630, 33741504), (640, 33214293), (648, 32804240), (672, 31632660), (720, 29523816), (756, 28117920), (810, 26243392), (840, 25306128), (864, 24603180), (896, 23724495), (945, 22494336), (960, 22142862), (1008, 21088440), (1080, 19682544), (1120, 18979596), (1134, 18745280), (1152, 18452385), (1260, 16870752), (1296, 16402120), (1344, 15816330), (1440, 14761908), (1512, 14058960), (1620, 13121696), (1680, 12653064), (1728, 12301590), (1890, 11247168), (1920, 11071431), (2016, 10544220), (2160, 9841272), (2240, 9489798), (2268, 9372640), (2520, 8435376), (2592, 8201060), (2688, 7908165), (2835, 7498112), (2880, 7380954), (3024, 7029480), (3240, 6560848), (3360, 6326532), (3456, 6150795), (3780, 5623584), (4032, 5272110), (4320, 4920636), (4480, 4744899), (4536, 4686320), (5040, 4217688), (5184, 4100530), (5670, 3749056), (5760, 3690477), (6048, 3514740), (6480, 3280424), (6720, 3163266), (7560, 2811792), (8064, 2636055), (8640, 2460318), (9072, 2343160), (10080, 2108844), (10368, 2050265), (11340, 1874528), (12096, 1757370), (12960, 1640212), (13440, 1581633), (15120, 1405896), (17280, 1230159), (18144, 1171580), (20160, 1054422), (22680, 937264), (24192, 878685), (25920, 820106), (30240, 702948), (36288, 585790), (40320, 527211), (45360, 468632), (51840, 410053), (58579, 362880), (60480, 351474), (72576, 292895), (90720, 234316), (117158, 181440), (120960, 175737)]