21436185

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10909}}^1$

素因数の和:11048

約数の個数: 16

約数和(自身を含む): 34562880

約数和(自身を除く): 13126695

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10909, 32727, 54545, 163635, 1429079, 4287237, 7145395, 21436185]

約数ペア:

[(1, 21436185), (3, 7145395), (5, 4287237), (15, 1429079), (131, 163635), (393, 54545), (655, 32727), (1965, 10909)]