21291237227

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{888653}}^1$

素因数の和:888782

約数の個数: 16

約数和(自身を含む): 24384665760

約数和(自身を除く): 3093428533

約数列:

[1, 13, 19, 97, 247, 1261, 1843, 23959, 888653, 11552489, 16884407, 86199341, 219497291, 1120591433, 1637787479, 21291237227]

約数ペア:

[(1, 21291237227), (13, 1637787479), (19, 1120591433), (97, 219497291), (247, 86199341), (1261, 16884407), (1843, 11552489), (23959, 888653)]