21009153

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1381}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 30647232

約数和(自身を除く): 9638079

約数列:

[1, 3, 11, 33, 461, 1381, 1383, 4143, 5071, 15191, 15213, 45573, 636641, 1909923, 7003051, 21009153]

約数ペア:

[(1, 21009153), (3, 7003051), (11, 1909923), (33, 636641), (461, 45573), (1381, 15213), (1383, 15191), (4143, 5071)]