21050697312

素因数分解:

$2^5\times 3^7\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 288

約数和(自身を含む): 64430765280

約数和(自身を除く): 43380067968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 243, 248, 279, 288, 313, 324, 372, 432, 486, 496, 558, 626, 648, 729, 744, 837, 864, 939, 961, 972, 992, 1116, 1252, 1296, 1458, 1488, 1674, 1878, 1922, 1944, 2187, 2232, 2504, 2511, 2592, 2817, 2883, 2916, 2976, 3348, 3756, 3844, 3888, 4374, 4464, 5008, 5022, 5634, 5766, 5832, 6696, 7512, 7533, 7688, 7776, 8451, 8649, 8748, 8928, 9703, 10016, 10044, 11268, 11532, 11664, 13392, 15024, 15066, 15376, 16902, 17298, 17496, 19406, 20088, 22536, 22599, 23064, 23328, 25353, 25947, 26784, 29109, 30048, 30132, 30752, 33804, 34596, 34992, 38812, 40176, 45072, 45198, 46128, 50706, 51894, 58218, 60264, 67608, 67797, 69192, 69984, 76059, 77624, 77841, 80352, 87327, 90144, 90396, 92256, 101412, 103788, 116436, 120528, 135216, 135594, 138384, 152118, 155248, 155682, 174654, 180792, 202824, 207576, 228177, 232872, 233523, 241056, 261981, 270432, 271188, 276768, 300793, 304236, 310496, 311364, 349308, 361584, 405648, 415152, 456354, 465744, 467046, 523962, 542376, 601586, 608472, 622728, 684531, 698616, 700569, 723168, 785943, 811296, 830304, 902379, 912708, 931488, 934092, 1047924, 1084752, 1203172, 1216944, 1245456, 1369062, 1397232, 1401138, 1571886, 1804758, 1825416, 1868184, 2095848, 2101707, 2169504, 2357829, 2406344, 2433888, 2490912, 2707137, 2738124, 2794464, 2802276, 3143772, 3609516, 3650832, 3736368, 4191696, 4203414, 4715658, 4812688, 5414274, 5476248, 5604552, 6287544, 7073487, 7219032, 7301664, 7472736, 8121411, 8383392, 8406828, 9431316, 9625376, 10828548, 10952496, 11209104, 12575088, 14146974, 14438064, 16242822, 16813656, 18862632, 21220461, 21657096, 21904992, 22418208, 24364233, 25150176, 28293948, 28876128, 32485644, 33627312, 37725264, 42440922, 43314192, 48728466, 56587896, 64971288, 67254624, 73092699, 75450528, 84881844, 86628384, 97456932, 113175792, 129942576, 146185398, 169763688, 194913864, 219278097, 226351584, 259885152, 292370796, 339527376, 389827728, 438556194, 584741592, 657834291, 679054752, 779655456, 877112388, 1169483184, 1315668582, 1754224776, 2338966368, 2631337164, 3508449552, 5262674328, 7016899104, 10525348656, 21050697312]

約数ペア:

[(1, 21050697312), (2, 10525348656), (3, 7016899104), (4, 5262674328), (6, 3508449552), (8, 2631337164), (9, 2338966368), (12, 1754224776), (16, 1315668582), (18, 1169483184), (24, 877112388), (27, 779655456), (31, 679054752), (32, 657834291), (36, 584741592), (48, 438556194), (54, 389827728), (62, 339527376), (72, 292370796), (81, 259885152), (93, 226351584), (96, 219278097), (108, 194913864), (124, 169763688), (144, 146185398), (162, 129942576), (186, 113175792), (216, 97456932), (243, 86628384), (248, 84881844), (279, 75450528), (288, 73092699), (313, 67254624), (324, 64971288), (372, 56587896), (432, 48728466), (486, 43314192), (496, 42440922), (558, 37725264), (626, 33627312), (648, 32485644), (729, 28876128), (744, 28293948), (837, 25150176), (864, 24364233), (939, 22418208), (961, 21904992), (972, 21657096), (992, 21220461), (1116, 18862632), (1252, 16813656), (1296, 16242822), (1458, 14438064), (1488, 14146974), (1674, 12575088), (1878, 11209104), (1922, 10952496), (1944, 10828548), (2187, 9625376), (2232, 9431316), (2504, 8406828), (2511, 8383392), (2592, 8121411), (2817, 7472736), (2883, 7301664), (2916, 7219032), (2976, 7073487), (3348, 6287544), (3756, 5604552), (3844, 5476248), (3888, 5414274), (4374, 4812688), (4464, 4715658), (5008, 4203414), (5022, 4191696), (5634, 3736368), (5766, 3650832), (5832, 3609516), (6696, 3143772), (7512, 2802276), (7533, 2794464), (7688, 2738124), (7776, 2707137), (8451, 2490912), (8649, 2433888), (8748, 2406344), (8928, 2357829), (9703, 2169504), (10016, 2101707), (10044, 2095848), (11268, 1868184), (11532, 1825416), (11664, 1804758), (13392, 1571886), (15024, 1401138), (15066, 1397232), (15376, 1369062), (16902, 1245456), (17298, 1216944), (17496, 1203172), (19406, 1084752), (20088, 1047924), (22536, 934092), (22599, 931488), (23064, 912708), (23328, 902379), (25353, 830304), (25947, 811296), (26784, 785943), (29109, 723168), (30048, 700569), (30132, 698616), (30752, 684531), (33804, 622728), (34596, 608472), (34992, 601586), (38812, 542376), (40176, 523962), (45072, 467046), (45198, 465744), (46128, 456354), (50706, 415152), (51894, 405648), (58218, 361584), (60264, 349308), (67608, 311364), (67797, 310496), (69192, 304236), (69984, 300793), (76059, 276768), (77624, 271188), (77841, 270432), (80352, 261981), (87327, 241056), (90144, 233523), (90396, 232872), (92256, 228177), (101412, 207576), (103788, 202824), (116436, 180792), (120528, 174654), (135216, 155682), (135594, 155248), (138384, 152118)]