2013744621

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{720997}}^1$

素因数の和:721033

約数の個数: 24

約数和(自身を含む): 3287750880

約数和(自身を除く): 1274006259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 720997, 2162991, 5046979, 13698943, 15140937, 35328853, 41096829, 95892601, 105986559, 287677803, 671248207, 2013744621]

約数ペア:

[(1, 2013744621), (3, 671248207), (7, 287677803), (19, 105986559), (21, 95892601), (49, 41096829), (57, 35328853), (133, 15140937), (147, 13698943), (399, 5046979), (931, 2162991), (2793, 720997)]