21975052

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{45403}}^1$

素因数の和:45429

約数の個数: 18

約数和(自身を含む): 42271124

約数和(自身を除く): 20296072

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 45403, 90806, 181612, 499433, 998866, 1997732, 5493763, 10987526, 21975052]

約数ペア:

[(1, 21975052), (2, 10987526), (4, 5493763), (11, 1997732), (22, 998866), (44, 499433), (121, 181612), (242, 90806), (484, 45403)]