21771605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2833}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 27546480

約数和(自身を除く): 5774875

約数列:

[1, 5, 29, 53, 145, 265, 1537, 2833, 7685, 14165, 82157, 150149, 410785, 750745, 4354321, 21771605]

約数ペア:

[(1, 21771605), (5, 4354321), (29, 750745), (53, 410785), (145, 150149), (265, 82157), (1537, 14165), (2833, 7685)]