21906898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2347}}^1$

素因数の和:2721

約数の個数: 16

約数和(自身を含む): 35501760

約数和(自身を除く): 13594862

約数列:

[1, 2, 13, 26, 359, 718, 2347, 4667, 4694, 9334, 30511, 61022, 842573, 1685146, 10953449, 21906898]

約数ペア:

[(1, 21906898), (2, 10953449), (13, 1685146), (26, 842573), (359, 61022), (718, 30511), (2347, 9334), (4667, 4694)]