21072590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27367}}^1$

素因数の和:27392

約数の個数: 32

約数和(自身を含む): 47291904

約数和(自身を除く): 26219314

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27367, 54734, 136835, 191569, 273670, 301037, 383138, 602074, 957845, 1505185, 1915690, 2107259, 3010370, 4214518, 10536295, 21072590]

約数ペア:

[(1, 21072590), (2, 10536295), (5, 4214518), (7, 3010370), (10, 2107259), (11, 1915690), (14, 1505185), (22, 957845), (35, 602074), (55, 383138), (70, 301037), (77, 273670), (110, 191569), (154, 136835), (385, 54734), (770, 27367)]