21760055

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 26710560

約数和(自身を除く): 4950505

約数列:

[1, 5, 89, 107, 445, 457, 535, 2285, 9523, 40673, 47615, 48899, 203365, 244495, 4352011, 21760055]

約数ペア:

[(1, 21760055), (5, 4352011), (89, 244495), (107, 203365), (445, 48899), (457, 47615), (535, 40673), (2285, 9523)]