21389682

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{10099}}^1$

素因数の和:10457

約数の個数: 16

約数和(自身を含む): 42904800

約数和(自身を除く): 21515118

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 10099, 20198, 30297, 60594, 3564947, 7129894, 10694841, 21389682]

約数ペア:

[(1, 21389682), (2, 10694841), (3, 7129894), (6, 3564947), (353, 60594), (706, 30297), (1059, 20198), (2118, 10099)]