21484866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275447}}^1$

素因数の和:275465

約数の個数: 16

約数和(自身を含む): 46275264

約数和(自身を除く): 24790398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275447, 550894, 826341, 1652682, 3580811, 7161622, 10742433, 21484866]

約数ペア:

[(1, 21484866), (2, 10742433), (3, 7161622), (6, 3580811), (13, 1652682), (26, 826341), (39, 550894), (78, 275447)]