21328952

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{24917}}^1$

素因数の和:25030

約数の個数: 16

約数和(自身を含む): 40367160

約数和(自身を除く): 19038208

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 24917, 49834, 99668, 199336, 2666119, 5332238, 10664476, 21328952]

約数ペア:

[(1, 21328952), (2, 10664476), (4, 5332238), (8, 2666119), (107, 199336), (214, 99668), (428, 49834), (856, 24917)]