21416227

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 25449984

約数和(自身を除く): 4033757

約数列:

[1, 7, 41, 71, 287, 497, 1051, 2911, 7357, 20377, 43091, 74621, 301637, 522347, 3059461, 21416227]

約数ペア:

[(1, 21416227), (7, 3059461), (41, 522347), (71, 301637), (287, 74621), (497, 43091), (1051, 20377), (2911, 7357)]