2221989

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9619}}^1$

素因数の和:9640

約数の個数: 16

約数和(自身を含む): 3694080

約数和(自身を除く): 1472091

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 9619, 28857, 67333, 105809, 201999, 317427, 740663, 2221989]

約数ペア:

[(1, 2221989), (3, 740663), (7, 317427), (11, 201999), (21, 105809), (33, 67333), (77, 28857), (231, 9619)]