21892222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7159}}^1$

素因数の和:7311

約数の個数: 16

約数和(自身を含む): 36086400

約数和(自身を除く): 14194178

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7159, 14318, 78749, 157498, 995101, 1990202, 10946111, 21892222]

約数ペア:

[(1, 21892222), (2, 10946111), (11, 1990202), (22, 995101), (139, 157498), (278, 78749), (1529, 14318), (3058, 7159)]