21044254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136651}}^1$

素因数の和:136671

約数の個数: 16

約数和(自身を含む): 39355776

約数和(自身を除く): 18311522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136651, 273302, 956557, 1503161, 1913114, 3006322, 10522127, 21044254]

約数ペア:

[(1, 21044254), (2, 10522127), (7, 3006322), (11, 1913114), (14, 1503161), (22, 956557), (77, 273302), (154, 136651)]