21014745129

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{79973}}^1$

素因数の和:80126

約数の個数: 48

約数和(自身を含む): 35864180352

約数和(自身を除く): 14849435223

約数列:

[1, 3, 7, 9, 21, 43, 63, 97, 129, 291, 301, 387, 679, 873, 903, 2037, 2709, 4171, 6111, 12513, 29197, 37539, 79973, 87591, 239919, 262773, 559811, 719757, 1679433, 3438839, 5038299, 7757381, 10316517, 23272143, 24071873, 30949551, 54301667, 69816429, 72215619, 162905001, 216646857, 333567383, 488715003, 1000702149, 2334971681, 3002106447, 7004915043, 21014745129]

約数ペア:

[(1, 21014745129), (3, 7004915043), (7, 3002106447), (9, 2334971681), (21, 1000702149), (43, 488715003), (63, 333567383), (97, 216646857), (129, 162905001), (291, 72215619), (301, 69816429), (387, 54301667), (679, 30949551), (873, 24071873), (903, 23272143), (2037, 10316517), (2709, 7757381), (4171, 5038299), (6111, 3438839), (12513, 1679433), (29197, 719757), (37539, 559811), (79973, 262773), (87591, 239919)]