21189886

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:699

約数の個数: 16

約数和(自身を含む): 32245200

約数和(自身を除く): 11055314

約数列:

[1, 2, 149, 211, 298, 337, 422, 674, 31439, 50213, 62878, 71107, 100426, 142214, 10594943, 21189886]

約数ペア:

[(1, 21189886), (2, 10594943), (149, 142214), (211, 100426), (298, 71107), (337, 62878), (422, 50213), (674, 31439)]