21124408036

素因数分解:

$2^2\times {\mathrm{1979}}^1\times {\mathrm{2668571}}^1$

素因数の和:2670554

約数の個数: 12

約数和(自身を含む): 36986407920

約数和(自身を除く): 15861999884

約数列:

[1, 2, 4, 1979, 3958, 7916, 2668571, 5337142, 10674284, 5281102009, 10562204018, 21124408036]

約数ペア:

[(1, 21124408036), (2, 10562204018), (4, 5281102009), (1979, 10674284), (3958, 5337142), (7916, 2668571)]