21351858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17027}}^1$

素因数の和:17062

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 27688782

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 17027, 34054, 51081, 102162, 187297, 323513, 374594, 561891, 647026, 970539, 1123782, 1941078, 3558643, 7117286, 10675929, 21351858]

約数ペア:

[(1, 21351858), (2, 10675929), (3, 7117286), (6, 3558643), (11, 1941078), (19, 1123782), (22, 970539), (33, 647026), (38, 561891), (57, 374594), (66, 323513), (114, 187297), (209, 102162), (418, 51081), (627, 34054), (1254, 17027)]