21343366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7639}}^1$

素因数の和:7779

約数の個数: 16

約数和(自身を含む): 35205120

約数和(自身を除く): 13861754

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7639, 15278, 84029, 168058, 970153, 1940306, 10671683, 21343366]

約数ペア:

[(1, 21343366), (2, 10671683), (11, 1940306), (22, 970153), (127, 168058), (254, 84029), (1397, 15278), (2794, 7639)]