21075535488

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{110431}}^1$

素因数の和:110526

約数の個数: 128

約数和(自身を含む): 64881008640

約数和(自身を除く): 43805473152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 84, 96, 112, 128, 142, 168, 192, 213, 224, 284, 336, 384, 426, 448, 497, 568, 672, 852, 896, 994, 1136, 1344, 1491, 1704, 1988, 2272, 2688, 2982, 3408, 3976, 4544, 5964, 6816, 7952, 9088, 11928, 13632, 15904, 23856, 27264, 31808, 47712, 63616, 95424, 110431, 190848, 220862, 331293, 441724, 662586, 773017, 883448, 1325172, 1546034, 1766896, 2319051, 2650344, 3092068, 3533792, 4638102, 5300688, 6184136, 7067584, 7840601, 9276204, 10601376, 12368272, 14135168, 15681202, 18552408, 21202752, 23521803, 24736544, 31362404, 37104816, 42405504, 47043606, 49473088, 54884207, 62724808, 74209632, 94087212, 98946176, 109768414, 125449616, 148419264, 164652621, 188174424, 219536828, 250899232, 296838528, 329305242, 376348848, 439073656, 501798464, 658610484, 752697696, 878147312, 1003596928, 1317220968, 1505395392, 1756294624, 2634441936, 3010790784, 3512589248, 5268883872, 7025178496, 10537767744, 21075535488]

約数ペア:

[(1, 21075535488), (2, 10537767744), (3, 7025178496), (4, 5268883872), (6, 3512589248), (7, 3010790784), (8, 2634441936), (12, 1756294624), (14, 1505395392), (16, 1317220968), (21, 1003596928), (24, 878147312), (28, 752697696), (32, 658610484), (42, 501798464), (48, 439073656), (56, 376348848), (64, 329305242), (71, 296838528), (84, 250899232), (96, 219536828), (112, 188174424), (128, 164652621), (142, 148419264), (168, 125449616), (192, 109768414), (213, 98946176), (224, 94087212), (284, 74209632), (336, 62724808), (384, 54884207), (426, 49473088), (448, 47043606), (497, 42405504), (568, 37104816), (672, 31362404), (852, 24736544), (896, 23521803), (994, 21202752), (1136, 18552408), (1344, 15681202), (1491, 14135168), (1704, 12368272), (1988, 10601376), (2272, 9276204), (2688, 7840601), (2982, 7067584), (3408, 6184136), (3976, 5300688), (4544, 4638102), (5964, 3533792), (6816, 3092068), (7952, 2650344), (9088, 2319051), (11928, 1766896), (13632, 1546034), (15904, 1325172), (23856, 883448), (27264, 773017), (31808, 662586), (47712, 441724), (63616, 331293), (95424, 220862), (110431, 190848)]