210923321

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{1069}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 245295360

約数和(自身を除く): 34372039

約数列:

[1, 7, 71, 397, 497, 1069, 2779, 7483, 28187, 75899, 197309, 424393, 531293, 2970751, 30131903, 210923321]

約数ペア:

[(1, 210923321), (7, 30131903), (71, 2970751), (397, 531293), (497, 424393), (1069, 197309), (2779, 75899), (7483, 28187)]