21197600

素因数分解:

$2^5\times 5^2\times {\mathrm{26497}}^1$

素因数の和:26517

約数の個数: 36

約数和(自身を含む): 51750594

約数和(自身を除く): 30552994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26497, 52994, 105988, 132485, 211976, 264970, 423952, 529940, 662425, 847904, 1059880, 1324850, 2119760, 2649700, 4239520, 5299400, 10598800, 21197600]

約数ペア:

[(1, 21197600), (2, 10598800), (4, 5299400), (5, 4239520), (8, 2649700), (10, 2119760), (16, 1324850), (20, 1059880), (25, 847904), (32, 662425), (40, 529940), (50, 423952), (80, 264970), (100, 211976), (160, 132485), (200, 105988), (400, 52994), (800, 26497)]