21548408

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{857}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 46332000

約数和(自身を除く): 24783592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 857, 898, 1714, 1796, 3143, 3428, 3592, 5999, 6286, 6856, 11998, 12572, 23996, 25144, 47992, 384793, 769586, 1539172, 2693551, 3078344, 5387102, 10774204, 21548408]

約数ペア:

[(1, 21548408), (2, 10774204), (4, 5387102), (7, 3078344), (8, 2693551), (14, 1539172), (28, 769586), (56, 384793), (449, 47992), (857, 25144), (898, 23996), (1714, 12572), (1796, 11998), (3143, 6856), (3428, 6286), (3592, 5999)]