21280006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9391}}^1$

素因数の和:9507

約数の個数: 16

約数和(自身を含む): 35163648

約数和(自身を除く): 13883642

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9391, 18782, 103301, 206602, 967273, 1934546, 10640003, 21280006]

約数ペア:

[(1, 21280006), (2, 10640003), (11, 1934546), (22, 967273), (103, 206602), (206, 103301), (1133, 18782), (2266, 9391)]