21944945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 6947215

約数列:

[1, 5, 11, 55, 191, 955, 2089, 2101, 10445, 10505, 22979, 114895, 398999, 1994995, 4388989, 21944945]

約数ペア:

[(1, 21944945), (5, 4388989), (11, 1994995), (55, 398999), (191, 114895), (955, 22979), (2089, 10505), (2101, 10445)]