21317082

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208991}}^1$

素因数の和:209013

約数の個数: 16

約数和(自身を含む): 45142272

約数和(自身を除く): 23825190

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208991, 417982, 626973, 1253946, 3552847, 7105694, 10658541, 21317082]

約数ペア:

[(1, 21317082), (2, 10658541), (3, 7105694), (6, 3552847), (17, 1253946), (34, 626973), (51, 417982), (102, 208991)]