21831295

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 27086400

約数和(自身を除く): 5255105

約数列:

[1, 5, 37, 185, 199, 593, 995, 2965, 7363, 21941, 36815, 109705, 118007, 590035, 4366259, 21831295]

約数ペア:

[(1, 21831295), (5, 4366259), (37, 590035), (185, 118007), (199, 109705), (593, 36815), (995, 21941), (2965, 7363)]