21005694

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28463}}^1$

素因数の和:28512

約数の個数: 24

約数和(自身を含む): 46624032

約数和(自身を除く): 25618338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28463, 56926, 85389, 170778, 256167, 512334, 1166983, 2333966, 3500949, 7001898, 10502847, 21005694]

約数ペア:

[(1, 21005694), (2, 10502847), (3, 7001898), (6, 3500949), (9, 2333966), (18, 1166983), (41, 512334), (82, 256167), (123, 170778), (246, 85389), (369, 56926), (738, 28463)]