21082851776

素因数分解:

$2^6\times 7^1\times {\mathrm{4783}}^1\times {\mathrm{9839}}^1$

素因数の和:14641

約数の個数: 56

約数和(自身を含む): 47827752960

約数和(自身を除く): 26744901184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 4783, 9566, 9839, 19132, 19678, 33481, 38264, 39356, 66962, 68873, 76528, 78712, 133924, 137746, 153056, 157424, 267848, 275492, 306112, 314848, 535696, 550984, 629696, 1071392, 1101968, 2142784, 2203936, 4407872, 47059937, 94119874, 188239748, 329419559, 376479496, 658839118, 752958992, 1317678236, 1505917984, 2635356472, 3011835968, 5270712944, 10541425888, 21082851776]

約数ペア:

[(1, 21082851776), (2, 10541425888), (4, 5270712944), (7, 3011835968), (8, 2635356472), (14, 1505917984), (16, 1317678236), (28, 752958992), (32, 658839118), (56, 376479496), (64, 329419559), (112, 188239748), (224, 94119874), (448, 47059937), (4783, 4407872), (9566, 2203936), (9839, 2142784), (19132, 1101968), (19678, 1071392), (33481, 629696), (38264, 550984), (39356, 535696), (66962, 314848), (68873, 306112), (76528, 275492), (78712, 267848), (133924, 157424), (137746, 153056)]