21139900412

素因数分解:

$2^2\times {\mathrm{5303}}^1\times {\mathrm{996601}}^1$

素因数の和:1001908

約数の個数: 12

約数和(自身を含む): 37001839056

約数和(自身を除く): 15861938644

約数列:

[1, 2, 4, 5303, 10606, 21212, 996601, 1993202, 3986404, 5284975103, 10569950206, 21139900412]

約数ペア:

[(1, 21139900412), (2, 10569950206), (4, 5284975103), (5303, 3986404), (10606, 1993202), (21212, 996601)]