21029591808

素因数分解:

$2^8\times 3^2\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:779

約数の個数: 216

約数和(自身を含む): 61740679728

約数和(自身を除く): 40711087920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 83, 96, 128, 144, 166, 192, 249, 256, 277, 288, 332, 384, 397, 498, 554, 576, 664, 747, 768, 794, 831, 996, 1108, 1152, 1191, 1328, 1494, 1588, 1662, 1992, 2216, 2304, 2382, 2493, 2656, 2988, 3176, 3324, 3573, 3984, 4432, 4764, 4986, 5312, 5976, 6352, 6648, 7146, 7968, 8864, 9528, 9972, 10624, 11952, 12704, 13296, 14292, 15936, 17728, 19056, 19944, 21248, 22991, 23904, 25408, 26592, 28584, 31872, 32951, 35456, 38112, 39888, 45982, 47808, 50816, 53184, 57168, 63744, 65902, 68973, 70912, 76224, 79776, 91964, 95616, 98853, 101632, 106368, 109969, 114336, 131804, 137946, 152448, 159552, 183928, 191232, 197706, 206919, 212736, 219938, 228672, 263608, 275892, 296559, 304896, 319104, 329907, 367856, 395412, 413838, 439876, 457344, 527216, 551784, 593118, 638208, 659814, 735712, 790824, 827676, 879752, 914688, 989721, 1054432, 1103568, 1186236, 1319628, 1471424, 1581648, 1655352, 1759504, 1979442, 2108864, 2207136, 2372472, 2639256, 2942848, 3163296, 3310704, 3519008, 3958884, 4217728, 4414272, 4744944, 5278512, 5885696, 6326592, 6621408, 7038016, 7917768, 8435456, 8828544, 9127427, 9489888, 10557024, 12653184, 13242816, 14076032, 15835536, 17657088, 18254854, 18979776, 21114048, 25306368, 26485632, 27382281, 28152064, 31671072, 36509708, 37959552, 42228096, 52971264, 54764562, 63342144, 73019416, 75919104, 82146843, 84456192, 109529124, 126684288, 146038832, 164293686, 219058248, 253368576, 292077664, 328587372, 438116496, 584155328, 657174744, 876232992, 1168310656, 1314349488, 1752465984, 2336621312, 2628698976, 3504931968, 5257397952, 7009863936, 10514795904, 21029591808]

約数ペア:

[(1, 21029591808), (2, 10514795904), (3, 7009863936), (4, 5257397952), (6, 3504931968), (8, 2628698976), (9, 2336621312), (12, 1752465984), (16, 1314349488), (18, 1168310656), (24, 876232992), (32, 657174744), (36, 584155328), (48, 438116496), (64, 328587372), (72, 292077664), (83, 253368576), (96, 219058248), (128, 164293686), (144, 146038832), (166, 126684288), (192, 109529124), (249, 84456192), (256, 82146843), (277, 75919104), (288, 73019416), (332, 63342144), (384, 54764562), (397, 52971264), (498, 42228096), (554, 37959552), (576, 36509708), (664, 31671072), (747, 28152064), (768, 27382281), (794, 26485632), (831, 25306368), (996, 21114048), (1108, 18979776), (1152, 18254854), (1191, 17657088), (1328, 15835536), (1494, 14076032), (1588, 13242816), (1662, 12653184), (1992, 10557024), (2216, 9489888), (2304, 9127427), (2382, 8828544), (2493, 8435456), (2656, 7917768), (2988, 7038016), (3176, 6621408), (3324, 6326592), (3573, 5885696), (3984, 5278512), (4432, 4744944), (4764, 4414272), (4986, 4217728), (5312, 3958884), (5976, 3519008), (6352, 3310704), (6648, 3163296), (7146, 2942848), (7968, 2639256), (8864, 2372472), (9528, 2207136), (9972, 2108864), (10624, 1979442), (11952, 1759504), (12704, 1655352), (13296, 1581648), (14292, 1471424), (15936, 1319628), (17728, 1186236), (19056, 1103568), (19944, 1054432), (21248, 989721), (22991, 914688), (23904, 879752), (25408, 827676), (26592, 790824), (28584, 735712), (31872, 659814), (32951, 638208), (35456, 593118), (38112, 551784), (39888, 527216), (45982, 457344), (47808, 439876), (50816, 413838), (53184, 395412), (57168, 367856), (63744, 329907), (65902, 319104), (68973, 304896), (70912, 296559), (76224, 275892), (79776, 263608), (91964, 228672), (95616, 219938), (98853, 212736), (101632, 206919), (106368, 197706), (109969, 191232), (114336, 183928), (131804, 159552), (137946, 152448)]