21256118784

素因数分解:

$2^9\times 3^2\times {\mathrm{4612873}}^1$

素因数の和:4612897

約数の個数: 60

約数和(自身を含む): 61346611326

約数和(自身を除く): 40090492542

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 4612873, 9225746, 13838619, 18451492, 27677238, 36902984, 41515857, 55354476, 73805968, 83031714, 110708952, 147611936, 166063428, 221417904, 295223872, 332126856, 442835808, 590447744, 664253712, 885671616, 1180895488, 1328507424, 1771343232, 2361790976, 2657014848, 3542686464, 5314029696, 7085372928, 10628059392, 21256118784]

約数ペア:

[(1, 21256118784), (2, 10628059392), (3, 7085372928), (4, 5314029696), (6, 3542686464), (8, 2657014848), (9, 2361790976), (12, 1771343232), (16, 1328507424), (18, 1180895488), (24, 885671616), (32, 664253712), (36, 590447744), (48, 442835808), (64, 332126856), (72, 295223872), (96, 221417904), (128, 166063428), (144, 147611936), (192, 110708952), (256, 83031714), (288, 73805968), (384, 55354476), (512, 41515857), (576, 36902984), (768, 27677238), (1152, 18451492), (1536, 13838619), (2304, 9225746), (4608, 4612873)]