21274814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2297}}^1$

素因数の和:2731

約数の個数: 16

約数和(自身を含む): 34911216

約数和(自身を除く): 13636402

約数列:

[1, 2, 11, 22, 421, 842, 2297, 4594, 4631, 9262, 25267, 50534, 967037, 1934074, 10637407, 21274814]

約数ペア:

[(1, 21274814), (2, 10637407), (11, 1934074), (22, 967037), (421, 50534), (842, 25267), (2297, 9262), (4594, 4631)]