21241874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{3271}}^1$

素因数の和:3481

約数の個数: 16

約数和(自身を含む): 33924096

約数和(自身を除く): 12682222

約数列:

[1, 2, 17, 34, 191, 382, 3247, 3271, 6494, 6542, 55607, 111214, 624761, 1249522, 10620937, 21241874]

約数ペア:

[(1, 21241874), (2, 10620937), (17, 1249522), (34, 624761), (191, 111214), (382, 55607), (3247, 6542), (3271, 6494)]