21033020988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:497

約数の個数: 288

約数和(自身を含む): 64207503360

約数和(自身を除く): 43174482372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 79, 84, 93, 124, 126, 158, 173, 186, 197, 217, 237, 252, 279, 316, 346, 372, 394, 434, 474, 519, 553, 558, 591, 651, 692, 711, 788, 868, 948, 1038, 1106, 1116, 1182, 1211, 1302, 1379, 1422, 1557, 1659, 1773, 1953, 2076, 2212, 2364, 2422, 2449, 2604, 2758, 2844, 3114, 3318, 3546, 3633, 3906, 4137, 4844, 4898, 4977, 5363, 5516, 6107, 6228, 6636, 7092, 7266, 7347, 7812, 8274, 9796, 9954, 10726, 10899, 12214, 12411, 13667, 14532, 14694, 15563, 16089, 16548, 17143, 18321, 19908, 21452, 21798, 22041, 24428, 24822, 27334, 29388, 31126, 32178, 34081, 34286, 36642, 37541, 41001, 42749, 43596, 44082, 46689, 48267, 49644, 51429, 54668, 54963, 62252, 64356, 68162, 68572, 73284, 75082, 82002, 85498, 88164, 93378, 95669, 96534, 102243, 102858, 108941, 109926, 112623, 123003, 128247, 136324, 140067, 150164, 154287, 164004, 170996, 186756, 191338, 193068, 204486, 205716, 217882, 219852, 225246, 238567, 246006, 256494, 280134, 287007, 306729, 308574, 326823, 337869, 382676, 384741, 408972, 423677, 435764, 450492, 477134, 482453, 492012, 512988, 560268, 574014, 613458, 617148, 653646, 675738, 715701, 769482, 847354, 861021, 954268, 964906, 980469, 1056511, 1148028, 1226916, 1271031, 1307292, 1351476, 1431402, 1447359, 1538964, 1694708, 1722042, 1929812, 1960938, 2113022, 2147103, 2542062, 2692399, 2862804, 2894718, 2965739, 3169533, 3377171, 3444084, 3813093, 3921876, 4226044, 4294206, 4342077, 5084124, 5384798, 5789436, 5931478, 6339066, 6754342, 7395577, 7626186, 8077197, 8588412, 8684154, 8897217, 9508599, 10131513, 10769596, 11862956, 12678132, 13508684, 14791154, 15252372, 16154394, 17368308, 17794434, 18846793, 19017198, 20263026, 22186731, 24231591, 26691651, 29582308, 30394539, 32308788, 35588868, 37693586, 38034396, 40526052, 44373462, 48463182, 53383302, 56540379, 60789078, 66560193, 75387172, 83464369, 88746924, 96926364, 106766604, 113080758, 121578156, 133120386, 166928738, 169621137, 226161516, 250393107, 266240772, 333857476, 339242274, 500786214, 584250583, 678484548, 751179321, 1001572428, 1168501166, 1502358642, 1752751749, 2337002332, 3004717284, 3505503498, 5258255247, 7011006996, 10516510494, 21033020988]

約数ペア:

[(1, 21033020988), (2, 10516510494), (3, 7011006996), (4, 5258255247), (6, 3505503498), (7, 3004717284), (9, 2337002332), (12, 1752751749), (14, 1502358642), (18, 1168501166), (21, 1001572428), (28, 751179321), (31, 678484548), (36, 584250583), (42, 500786214), (62, 339242274), (63, 333857476), (79, 266240772), (84, 250393107), (93, 226161516), (124, 169621137), (126, 166928738), (158, 133120386), (173, 121578156), (186, 113080758), (197, 106766604), (217, 96926364), (237, 88746924), (252, 83464369), (279, 75387172), (316, 66560193), (346, 60789078), (372, 56540379), (394, 53383302), (434, 48463182), (474, 44373462), (519, 40526052), (553, 38034396), (558, 37693586), (591, 35588868), (651, 32308788), (692, 30394539), (711, 29582308), (788, 26691651), (868, 24231591), (948, 22186731), (1038, 20263026), (1106, 19017198), (1116, 18846793), (1182, 17794434), (1211, 17368308), (1302, 16154394), (1379, 15252372), (1422, 14791154), (1557, 13508684), (1659, 12678132), (1773, 11862956), (1953, 10769596), (2076, 10131513), (2212, 9508599), (2364, 8897217), (2422, 8684154), (2449, 8588412), (2604, 8077197), (2758, 7626186), (2844, 7395577), (3114, 6754342), (3318, 6339066), (3546, 5931478), (3633, 5789436), (3906, 5384798), (4137, 5084124), (4844, 4342077), (4898, 4294206), (4977, 4226044), (5363, 3921876), (5516, 3813093), (6107, 3444084), (6228, 3377171), (6636, 3169533), (7092, 2965739), (7266, 2894718), (7347, 2862804), (7812, 2692399), (8274, 2542062), (9796, 2147103), (9954, 2113022), (10726, 1960938), (10899, 1929812), (12214, 1722042), (12411, 1694708), (13667, 1538964), (14532, 1447359), (14694, 1431402), (15563, 1351476), (16089, 1307292), (16548, 1271031), (17143, 1226916), (18321, 1148028), (19908, 1056511), (21452, 980469), (21798, 964906), (22041, 954268), (24428, 861021), (24822, 847354), (27334, 769482), (29388, 715701), (31126, 675738), (32178, 653646), (34081, 617148), (34286, 613458), (36642, 574014), (37541, 560268), (41001, 512988), (42749, 492012), (43596, 482453), (44082, 477134), (46689, 450492), (48267, 435764), (49644, 423677), (51429, 408972), (54668, 384741), (54963, 382676), (62252, 337869), (64356, 326823), (68162, 308574), (68572, 306729), (73284, 287007), (75082, 280134), (82002, 256494), (85498, 246006), (88164, 238567), (93378, 225246), (95669, 219852), (96534, 217882), (102243, 205716), (102858, 204486), (108941, 193068), (109926, 191338), (112623, 186756), (123003, 170996), (128247, 164004), (136324, 154287), (140067, 150164)]