21860984

素因数分解:

$2^3\times {\mathrm{839}}^1\times {\mathrm{3257}}^1$

素因数の和:4102

約数の個数: 16

約数和(自身を含む): 41050800

約数和(自身を除く): 19189816

約数列:

[1, 2, 4, 8, 839, 1678, 3257, 3356, 6514, 6712, 13028, 26056, 2732623, 5465246, 10930492, 21860984]

約数ペア:

[(1, 21860984), (2, 10930492), (4, 5465246), (8, 2732623), (839, 26056), (1678, 13028), (3257, 6712), (3356, 6514)]