21314293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 7716107

約数列:

[1, 7, 11, 13, 77, 91, 107, 143, 199, 749, 1001, 1177, 1391, 1393, 2189, 2587, 8239, 9737, 15301, 15323, 18109, 21293, 28457, 107107, 149051, 199199, 234223, 276809, 1639561, 1937663, 3044899, 21314293]

約数ペア:

[(1, 21314293), (7, 3044899), (11, 1937663), (13, 1639561), (77, 276809), (91, 234223), (107, 199199), (143, 149051), (199, 107107), (749, 28457), (1001, 21293), (1177, 18109), (1391, 15323), (1393, 15301), (2189, 9737), (2587, 8239)]