21718512821

素因数分解:

${\mathrm{37}}^2\times {\mathrm{1913}}^1\times {\mathrm{8293}}^1$

素因数の和:10280

約数の個数: 12

約数和(自身を含む): 22335725412

約数和(自身を除く): 617212591

約数列:

[1, 37, 1369, 1913, 8293, 70781, 306841, 2618897, 11353117, 15864509, 586986833, 21718512821]

約数ペア:

[(1, 21718512821), (37, 586986833), (1369, 15864509), (1913, 11353117), (8293, 2618897), (70781, 306841)]