21659246

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21193}}^1$

素因数の和:21275

約数の個数: 16

約数和(自身を含む): 37640544

約数和(自身を除く): 15981298

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21193, 42386, 148351, 296702, 1547089, 3094178, 10829623, 21659246]

約数ペア:

[(1, 21659246), (2, 10829623), (7, 3094178), (14, 1547089), (73, 296702), (146, 148351), (511, 42386), (1022, 21193)]