21240596

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2417}}^1$

素因数の和:2460

約数の個数: 24

約数和(自身を含む): 40283880

約数和(自身を除く): 19043284

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2417, 4394, 4834, 8788, 9668, 31421, 62842, 125684, 408473, 816946, 1633892, 5310149, 10620298, 21240596]

約数ペア:

[(1, 21240596), (2, 10620298), (4, 5310149), (13, 1633892), (26, 816946), (52, 408473), (169, 125684), (338, 62842), (676, 31421), (2197, 9668), (2417, 8788), (4394, 4834)]