21538958

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 38843904

約数和(自身を除く): 17304946

約数列:

[1, 2, 7, 14, 37, 43, 74, 86, 259, 301, 518, 602, 967, 1591, 1934, 3182, 6769, 11137, 13538, 22274, 35779, 41581, 71558, 83162, 250453, 291067, 500906, 582134, 1538497, 3076994, 10769479, 21538958]

約数ペア:

[(1, 21538958), (2, 10769479), (7, 3076994), (14, 1538497), (37, 582134), (43, 500906), (74, 291067), (86, 250453), (259, 83162), (301, 71558), (518, 41581), (602, 35779), (967, 22274), (1591, 13538), (1934, 11137), (3182, 6769)]