21000585960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{5081}}^1$

素因数の和:5233

約数の個数: 256

約数和(自身を含む): 72448992000

約数和(自身を除く): 51448406040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 89, 90, 108, 120, 129, 135, 172, 178, 180, 215, 216, 258, 267, 270, 344, 356, 360, 387, 430, 445, 516, 534, 540, 645, 712, 774, 801, 860, 890, 1032, 1068, 1080, 1161, 1290, 1335, 1548, 1602, 1720, 1780, 1935, 2136, 2322, 2403, 2580, 2670, 3096, 3204, 3560, 3827, 3870, 4005, 4644, 4806, 5081, 5160, 5340, 5805, 6408, 7654, 7740, 8010, 9288, 9612, 10162, 10680, 11481, 11610, 12015, 15243, 15308, 15480, 16020, 19135, 19224, 20324, 22962, 23220, 24030, 25405, 30486, 30616, 32040, 34443, 38270, 40648, 45729, 45924, 46440, 48060, 50810, 57405, 60972, 68886, 76215, 76540, 91458, 91848, 96120, 101620, 103329, 114810, 121944, 137187, 137772, 152430, 153080, 172215, 182916, 203240, 206658, 218483, 228645, 229620, 274374, 275544, 304860, 344430, 365832, 413316, 436966, 452209, 457290, 459240, 516645, 548748, 609720, 655449, 685935, 688860, 826632, 873932, 904418, 914580, 1033290, 1092415, 1097496, 1310898, 1356627, 1371870, 1377720, 1747864, 1808836, 1829160, 1966347, 2066580, 2184830, 2261045, 2621796, 2713254, 2743740, 3277245, 3617672, 3932694, 4069881, 4133160, 4369660, 4522090, 5243592, 5426508, 5487480, 5899041, 6554490, 6783135, 7865388, 8139762, 8739320, 9044180, 9831735, 10853016, 11798082, 12209643, 13108980, 13566270, 15730776, 16279524, 18088360, 19444987, 19663470, 20349405, 23596164, 24419286, 26217960, 27132540, 29495205, 32559048, 38889974, 39326940, 40698810, 47192328, 48838572, 54265080, 58334961, 58990410, 61048215, 77779948, 78653880, 81397620, 97224935, 97677144, 116669922, 117980820, 122096430, 155559896, 162795240, 175004883, 194449870, 233339844, 235961640, 244192860, 291674805, 350009766, 388899740, 466679688, 488385720, 525014649, 583349610, 700019532, 777799480, 875024415, 1050029298, 1166699220, 1400039064, 1750048830, 2100058596, 2333398440, 2625073245, 3500097660, 4200117192, 5250146490, 7000195320, 10500292980, 21000585960]

約数ペア:

[(1, 21000585960), (2, 10500292980), (3, 7000195320), (4, 5250146490), (5, 4200117192), (6, 3500097660), (8, 2625073245), (9, 2333398440), (10, 2100058596), (12, 1750048830), (15, 1400039064), (18, 1166699220), (20, 1050029298), (24, 875024415), (27, 777799480), (30, 700019532), (36, 583349610), (40, 525014649), (43, 488385720), (45, 466679688), (54, 388899740), (60, 350009766), (72, 291674805), (86, 244192860), (89, 235961640), (90, 233339844), (108, 194449870), (120, 175004883), (129, 162795240), (135, 155559896), (172, 122096430), (178, 117980820), (180, 116669922), (215, 97677144), (216, 97224935), (258, 81397620), (267, 78653880), (270, 77779948), (344, 61048215), (356, 58990410), (360, 58334961), (387, 54265080), (430, 48838572), (445, 47192328), (516, 40698810), (534, 39326940), (540, 38889974), (645, 32559048), (712, 29495205), (774, 27132540), (801, 26217960), (860, 24419286), (890, 23596164), (1032, 20349405), (1068, 19663470), (1080, 19444987), (1161, 18088360), (1290, 16279524), (1335, 15730776), (1548, 13566270), (1602, 13108980), (1720, 12209643), (1780, 11798082), (1935, 10853016), (2136, 9831735), (2322, 9044180), (2403, 8739320), (2580, 8139762), (2670, 7865388), (3096, 6783135), (3204, 6554490), (3560, 5899041), (3827, 5487480), (3870, 5426508), (4005, 5243592), (4644, 4522090), (4806, 4369660), (5081, 4133160), (5160, 4069881), (5340, 3932694), (5805, 3617672), (6408, 3277245), (7654, 2743740), (7740, 2713254), (8010, 2621796), (9288, 2261045), (9612, 2184830), (10162, 2066580), (10680, 1966347), (11481, 1829160), (11610, 1808836), (12015, 1747864), (15243, 1377720), (15308, 1371870), (15480, 1356627), (16020, 1310898), (19135, 1097496), (19224, 1092415), (20324, 1033290), (22962, 914580), (23220, 904418), (24030, 873932), (25405, 826632), (30486, 688860), (30616, 685935), (32040, 655449), (34443, 609720), (38270, 548748), (40648, 516645), (45729, 459240), (45924, 457290), (46440, 452209), (48060, 436966), (50810, 413316), (57405, 365832), (60972, 344430), (68886, 304860), (76215, 275544), (76540, 274374), (91458, 229620), (91848, 228645), (96120, 218483), (101620, 206658), (103329, 203240), (114810, 182916), (121944, 172215), (137187, 153080), (137772, 152430)]