21056892

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{6991}}^1$

素因数の和:7249

約数の個数: 24

約数和(自身を含む): 49335552

約数和(自身を除く): 28278660

約数列:

[1, 2, 3, 4, 6, 12, 251, 502, 753, 1004, 1506, 3012, 6991, 13982, 20973, 27964, 41946, 83892, 1754741, 3509482, 5264223, 7018964, 10528446, 21056892]

約数ペア:

[(1, 21056892), (2, 10528446), (3, 7018964), (4, 5264223), (6, 3509482), (12, 1754741), (251, 83892), (502, 41946), (753, 27964), (1004, 20973), (1506, 13982), (3012, 6991)]