21826563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 33523200

約数和(自身を除く): 11696637

約数列:

[1, 3, 11, 23, 33, 69, 149, 193, 253, 447, 579, 759, 1639, 2123, 3427, 4439, 4917, 6369, 10281, 13317, 28757, 37697, 48829, 86271, 113091, 146487, 316327, 661411, 948981, 1984233, 7275521, 21826563]

約数ペア:

[(1, 21826563), (3, 7275521), (11, 1984233), (23, 948981), (33, 661411), (69, 316327), (149, 146487), (193, 113091), (253, 86271), (447, 48829), (579, 37697), (759, 28757), (1639, 13317), (2123, 10281), (3427, 6369), (4439, 4917)]