21000407042

素因数分解:

$2^1\times {\mathrm{421}}^1\times {\mathrm{24941101}}^1$

素因数の和:24941524

約数の個数: 8

約数和(自身を含む): 31575435132

約数和(自身を除く): 10575028090

約数列:

[1, 2, 421, 842, 24941101, 49882202, 10500203521, 21000407042]

約数ペア:

[(1, 21000407042), (2, 10500203521), (421, 49882202), (842, 24941101)]