21419014

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1571}}^1$

素因数の和:1991

約数の個数: 16

約数和(自身を含む): 34124976

約数和(自身を除く): 12705962

約数列:

[1, 2, 17, 34, 401, 802, 1571, 3142, 6817, 13634, 26707, 53414, 629971, 1259942, 10709507, 21419014]

約数ペア:

[(1, 21419014), (2, 10709507), (17, 1259942), (34, 629971), (401, 53414), (802, 26707), (1571, 13634), (3142, 6817)]