21173614

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137491}}^1$

素因数の和:137511

約数の個数: 16

約数和(自身を含む): 39597696

約数和(自身を除く): 18424082

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137491, 274982, 962437, 1512401, 1924874, 3024802, 10586807, 21173614]

約数ペア:

[(1, 21173614), (2, 10586807), (7, 3024802), (11, 1924874), (14, 1512401), (22, 962437), (77, 274982), (154, 137491)]