21191086

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21319}}^1$

素因数の和:21399

約数の個数: 16

約数和(自身を含む): 36840960

約数和(自身を除く): 15649874

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21319, 42638, 149233, 298466, 1513649, 3027298, 10595543, 21191086]

約数ペア:

[(1, 21191086), (2, 10595543), (7, 3027298), (14, 1513649), (71, 298466), (142, 149233), (497, 42638), (994, 21319)]