21950045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2659}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 6650275

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2659, 8255, 13295, 34567, 172835, 337693, 1688465, 4390009, 21950045]

約数ペア:

[(1, 21950045), (5, 4390009), (13, 1688465), (65, 337693), (127, 172835), (635, 34567), (1651, 13295), (2659, 8255)]