21309138

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16217}}^1$

素因数の和:16298

約数の個数: 24

約数和(自身を含む): 46805148

約数和(自身を除く): 25496010

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16217, 32434, 48651, 97302, 145953, 291906, 1183841, 2367682, 3551523, 7103046, 10654569, 21309138]

約数ペア:

[(1, 21309138), (2, 10654569), (3, 7103046), (6, 3551523), (9, 2367682), (18, 1183841), (73, 291906), (146, 145953), (219, 97302), (438, 48651), (657, 32434), (1314, 16217)]