21845493

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 33898176

約数和(自身を除く): 12052683

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2011, 3621, 6033, 10863, 18099, 34187, 102561, 142781, 307683, 428343, 1285029, 2427277, 7281831, 21845493]

約数ペア:

[(1, 21845493), (3, 7281831), (9, 2427277), (17, 1285029), (51, 428343), (71, 307683), (153, 142781), (213, 102561), (639, 34187), (1207, 18099), (2011, 10863), (3621, 6033)]