21026504

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4603}}^1$

素因数の和:5180

約数の個数: 16

約数和(自身を含む): 39502320

約数和(自身を除く): 18475816

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 4603, 9206, 18412, 36824, 2628313, 5256626, 10513252, 21026504]

約数ペア:

[(1, 21026504), (2, 10513252), (4, 5256626), (8, 2628313), (571, 36824), (1142, 18412), (2284, 9206), (4568, 4603)]