21500193

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2229

約数の個数: 32

約数和(自身を含む): 35159040

約数和(自身を除く): 13658847

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2179, 3289, 6537, 9867, 23969, 28327, 50117, 71907, 84981, 150351, 311597, 551287, 651521, 934791, 1653861, 1954563, 7166731, 21500193]

約数ペア:

[(1, 21500193), (3, 7166731), (11, 1954563), (13, 1653861), (23, 934791), (33, 651521), (39, 551287), (69, 311597), (143, 150351), (253, 84981), (299, 71907), (429, 50117), (759, 28327), (897, 23969), (2179, 9867), (3289, 6537)]