21896567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1429}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 27456000

約数和(自身を除く): 5559433

約数列:

[1, 7, 11, 77, 199, 1393, 1429, 2189, 10003, 15323, 15719, 110033, 284371, 1990597, 3128081, 21896567]

約数ペア:

[(1, 21896567), (7, 3128081), (11, 1990597), (77, 284371), (199, 110033), (1393, 15719), (1429, 15323), (2189, 10003)]