21035315

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8233}}^1$

素因数の和:8318

約数の個数: 16

約数和(自身を含む): 29247168

約数和(自身を除く): 8211853

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 8233, 41165, 57631, 288155, 601009, 3005045, 4207063, 21035315]

約数ペア:

[(1, 21035315), (5, 4207063), (7, 3005045), (35, 601009), (73, 288155), (365, 57631), (511, 41165), (2555, 8233)]