21688227

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3001}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 34655088

約数和(自身を除く): 12966861

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 3001, 7227, 9003, 27009, 33011, 99033, 219073, 297099, 657219, 1971657, 2409803, 7229409, 21688227]

約数ペア:

[(1, 21688227), (3, 7229409), (9, 2409803), (11, 1971657), (33, 657219), (73, 297099), (99, 219073), (219, 99033), (657, 33011), (803, 27009), (2409, 9003), (3001, 7227)]