21724366

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 24

約数和(自身を含む): 34318080

約数和(自身を除く): 12593714

約数列:

[1, 2, 31, 62, 89, 127, 178, 254, 961, 1922, 2759, 3937, 5518, 7874, 11303, 22606, 85529, 122047, 171058, 244094, 350393, 700786, 10862183, 21724366]

約数ペア:

[(1, 21724366), (2, 10862183), (31, 700786), (62, 350393), (89, 244094), (127, 171058), (178, 122047), (254, 85529), (961, 22606), (1922, 11303), (2759, 7874), (3937, 5518)]