21289785088

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8191}}^1$

素因数の和:8302

約数の個数: 144

約数和(自身を含む): 50635210752

約数和(自身を除く): 29345425664

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 128, 142, 143, 176, 208, 256, 284, 286, 352, 416, 568, 572, 704, 781, 832, 923, 1136, 1144, 1408, 1562, 1664, 1846, 2272, 2288, 2816, 3124, 3328, 3692, 4544, 4576, 6248, 7384, 8191, 9088, 9152, 10153, 12496, 14768, 16382, 18176, 18304, 20306, 24992, 29536, 32764, 36608, 40612, 49984, 59072, 65528, 81224, 90101, 99968, 106483, 118144, 131056, 162448, 180202, 199936, 212966, 236288, 262112, 324896, 360404, 425932, 524224, 581561, 649792, 720808, 851864, 1048448, 1163122, 1171313, 1299584, 1441616, 1703728, 2096896, 2326244, 2342626, 2599168, 2883232, 3407456, 4652488, 4685252, 5766464, 6397171, 6814912, 7560293, 9304976, 9370504, 11532928, 12794342, 13629824, 15120586, 18609952, 18741008, 23065856, 25588684, 27259648, 30241172, 37219904, 37482016, 51177368, 60482344, 74439808, 74964032, 83163223, 102354736, 120964688, 148879616, 149928064, 166326446, 204709472, 241929376, 299856128, 332652892, 409418944, 483858752, 665305784, 818837888, 967717504, 1330611568, 1637675776, 1935435008, 2661223136, 5322446272, 10644892544, 21289785088]

約数ペア:

[(1, 21289785088), (2, 10644892544), (4, 5322446272), (8, 2661223136), (11, 1935435008), (13, 1637675776), (16, 1330611568), (22, 967717504), (26, 818837888), (32, 665305784), (44, 483858752), (52, 409418944), (64, 332652892), (71, 299856128), (88, 241929376), (104, 204709472), (128, 166326446), (142, 149928064), (143, 148879616), (176, 120964688), (208, 102354736), (256, 83163223), (284, 74964032), (286, 74439808), (352, 60482344), (416, 51177368), (568, 37482016), (572, 37219904), (704, 30241172), (781, 27259648), (832, 25588684), (923, 23065856), (1136, 18741008), (1144, 18609952), (1408, 15120586), (1562, 13629824), (1664, 12794342), (1846, 11532928), (2272, 9370504), (2288, 9304976), (2816, 7560293), (3124, 6814912), (3328, 6397171), (3692, 5766464), (4544, 4685252), (4576, 4652488), (6248, 3407456), (7384, 2883232), (8191, 2599168), (9088, 2342626), (9152, 2326244), (10153, 2096896), (12496, 1703728), (14768, 1441616), (16382, 1299584), (18176, 1171313), (18304, 1163122), (20306, 1048448), (24992, 851864), (29536, 720808), (32764, 649792), (36608, 581561), (40612, 524224), (49984, 425932), (59072, 360404), (65528, 324896), (81224, 262112), (90101, 236288), (99968, 212966), (106483, 199936), (118144, 180202), (131056, 162448)]