21705384780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:646

約数の個数: 384

約数和(自身を含む): 73705282560

約数和(自身を除く): 51999897780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 61, 68, 83, 85, 90, 102, 108, 122, 135, 153, 166, 170, 180, 183, 204, 244, 249, 255, 270, 305, 306, 332, 340, 366, 415, 459, 467, 498, 510, 540, 549, 610, 612, 732, 747, 765, 830, 915, 918, 934, 996, 1020, 1037, 1098, 1220, 1245, 1401, 1411, 1494, 1530, 1647, 1660, 1830, 1836, 1868, 2074, 2196, 2241, 2295, 2335, 2490, 2745, 2802, 2822, 2988, 3060, 3111, 3294, 3660, 3735, 4148, 4203, 4233, 4482, 4590, 4670, 4980, 5063, 5185, 5490, 5604, 5644, 6222, 6588, 7005, 7055, 7470, 7939, 8235, 8406, 8466, 8964, 9180, 9333, 9340, 10126, 10370, 10980, 11205, 12444, 12609, 12699, 14010, 14110, 14940, 15189, 15555, 15878, 16470, 16812, 16932, 18666, 20252, 20740, 21015, 21165, 22410, 23817, 25218, 25315, 25398, 27999, 28020, 28220, 28487, 30378, 31110, 31756, 32940, 37332, 38097, 38761, 39695, 42030, 42330, 44820, 45567, 46665, 47634, 50436, 50630, 50796, 55998, 56974, 60756, 62220, 63045, 63495, 71451, 75945, 76194, 77522, 79390, 84060, 84660, 85461, 86071, 91134, 93330, 95268, 101260, 111996, 113948, 116283, 119085, 126090, 126990, 136701, 139995, 142435, 142902, 151890, 152388, 155044, 158780, 170922, 172142, 182268, 186660, 190485, 193805, 214353, 227835, 232566, 238170, 252180, 253980, 256383, 258213, 273402, 279990, 284870, 285804, 303780, 341844, 344284, 348849, 357255, 380970, 387610, 427305, 428706, 430355, 455670, 465132, 476340, 484279, 512766, 516426, 546804, 559980, 569740, 581415, 658937, 683505, 697698, 714510, 761940, 769149, 774639, 775220, 854610, 857412, 860710, 911340, 968558, 1025532, 1032852, 1046547, 1071765, 1162830, 1281915, 1291065, 1317874, 1367010, 1395396, 1429020, 1452837, 1538298, 1549278, 1709220, 1721420, 1744245, 1937116, 1976811, 2093094, 2143530, 2323917, 2325660, 2364421, 2421395, 2563830, 2582130, 2635748, 2734020, 2905674, 3076596, 3098556, 3294685, 3488490, 3845745, 3873195, 3953622, 4186188, 4287060, 4358511, 4647834, 4728842, 4842790, 5127660, 5164260, 5232735, 5811348, 5930433, 6589370, 6976980, 7093263, 7264185, 7691490, 7746390, 7907244, 8717022, 9295668, 9457684, 9685580, 9884055, 10465470, 11619585, 11822105, 11860866, 13075533, 13178740, 14186526, 14528370, 15382980, 15492780, 17434044, 17791299, 19768110, 20930940, 21279789, 21792555, 23239170, 23644210, 23721732, 26151066, 28373052, 29056740, 29652165, 35466315, 35582598, 39536220, 40195157, 42559578, 43585110, 46478340, 47288420, 52302132, 59304330, 63839367, 65377665, 70932630, 71165196, 80390314, 85119156, 87170220, 88956495, 106398945, 118608660, 120585471, 127678734, 130755330, 141865260, 160780628, 177912990, 200975785, 212797890, 241170942, 255357468, 261510660, 319196835, 355825980, 361756413, 401951570, 425595780, 482341884, 602927355, 638393670, 723512826, 803903140, 1085269239, 1205854710, 1276787340, 1447025652, 1808782065, 2170538478, 2411709420, 3617564130, 4341076956, 5426346195, 7235128260, 10852692390, 21705384780]

約数ペア:

[(1, 21705384780), (2, 10852692390), (3, 7235128260), (4, 5426346195), (5, 4341076956), (6, 3617564130), (9, 2411709420), (10, 2170538478), (12, 1808782065), (15, 1447025652), (17, 1276787340), (18, 1205854710), (20, 1085269239), (27, 803903140), (30, 723512826), (34, 638393670), (36, 602927355), (45, 482341884), (51, 425595780), (54, 401951570), (60, 361756413), (61, 355825980), (68, 319196835), (83, 261510660), (85, 255357468), (90, 241170942), (102, 212797890), (108, 200975785), (122, 177912990), (135, 160780628), (153, 141865260), (166, 130755330), (170, 127678734), (180, 120585471), (183, 118608660), (204, 106398945), (244, 88956495), (249, 87170220), (255, 85119156), (270, 80390314), (305, 71165196), (306, 70932630), (332, 65377665), (340, 63839367), (366, 59304330), (415, 52302132), (459, 47288420), (467, 46478340), (498, 43585110), (510, 42559578), (540, 40195157), (549, 39536220), (610, 35582598), (612, 35466315), (732, 29652165), (747, 29056740), (765, 28373052), (830, 26151066), (915, 23721732), (918, 23644210), (934, 23239170), (996, 21792555), (1020, 21279789), (1037, 20930940), (1098, 19768110), (1220, 17791299), (1245, 17434044), (1401, 15492780), (1411, 15382980), (1494, 14528370), (1530, 14186526), (1647, 13178740), (1660, 13075533), (1830, 11860866), (1836, 11822105), (1868, 11619585), (2074, 10465470), (2196, 9884055), (2241, 9685580), (2295, 9457684), (2335, 9295668), (2490, 8717022), (2745, 7907244), (2802, 7746390), (2822, 7691490), (2988, 7264185), (3060, 7093263), (3111, 6976980), (3294, 6589370), (3660, 5930433), (3735, 5811348), (4148, 5232735), (4203, 5164260), (4233, 5127660), (4482, 4842790), (4590, 4728842), (4670, 4647834), (4980, 4358511), (5063, 4287060), (5185, 4186188), (5490, 3953622), (5604, 3873195), (5644, 3845745), (6222, 3488490), (6588, 3294685), (7005, 3098556), (7055, 3076596), (7470, 2905674), (7939, 2734020), (8235, 2635748), (8406, 2582130), (8466, 2563830), (8964, 2421395), (9180, 2364421), (9333, 2325660), (9340, 2323917), (10126, 2143530), (10370, 2093094), (10980, 1976811), (11205, 1937116), (12444, 1744245), (12609, 1721420), (12699, 1709220), (14010, 1549278), (14110, 1538298), (14940, 1452837), (15189, 1429020), (15555, 1395396), (15878, 1367010), (16470, 1317874), (16812, 1291065), (16932, 1281915), (18666, 1162830), (20252, 1071765), (20740, 1046547), (21015, 1032852), (21165, 1025532), (22410, 968558), (23817, 911340), (25218, 860710), (25315, 857412), (25398, 854610), (27999, 775220), (28020, 774639), (28220, 769149), (28487, 761940), (30378, 714510), (31110, 697698), (31756, 683505), (32940, 658937), (37332, 581415), (38097, 569740), (38761, 559980), (39695, 546804), (42030, 516426), (42330, 512766), (44820, 484279), (45567, 476340), (46665, 465132), (47634, 455670), (50436, 430355), (50630, 428706), (50796, 427305), (55998, 387610), (56974, 380970), (60756, 357255), (62220, 348849), (63045, 344284), (63495, 341844), (71451, 303780), (75945, 285804), (76194, 284870), (77522, 279990), (79390, 273402), (84060, 258213), (84660, 256383), (85461, 253980), (86071, 252180), (91134, 238170), (93330, 232566), (95268, 227835), (101260, 214353), (111996, 193805), (113948, 190485), (116283, 186660), (119085, 182268), (126090, 172142), (126990, 170922), (136701, 158780), (139995, 155044), (142435, 152388), (142902, 151890)]