21909650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 47407680

約数和(自身を除く): 25498030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 1061, 1475, 2065, 2122, 2950, 4130, 5305, 7427, 10325, 10610, 14854, 20650, 26525, 37135, 53050, 62599, 74270, 125198, 185675, 312995, 371350, 438193, 625990, 876386, 1564975, 2190965, 3129950, 4381930, 10954825, 21909650]

約数ペア:

[(1, 21909650), (2, 10954825), (5, 4381930), (7, 3129950), (10, 2190965), (14, 1564975), (25, 876386), (35, 625990), (50, 438193), (59, 371350), (70, 312995), (118, 185675), (175, 125198), (295, 74270), (350, 62599), (413, 53050), (590, 37135), (826, 26525), (1061, 20650), (1475, 14854), (2065, 10610), (2122, 10325), (2950, 7427), (4130, 5305)]