21770042

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{23209}}^1$

素因数の和:23285

約数の個数: 16

約数和(自身を含む): 37878720

約数和(自身を除く): 16108678

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 23209, 46418, 162463, 324926, 1555003, 3110006, 10885021, 21770042]

約数ペア:

[(1, 21770042), (2, 10885021), (7, 3110006), (14, 1555003), (67, 324926), (134, 162463), (469, 46418), (938, 23209)]