21511636

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{91151}}^1$

素因数の和:91214

約数の個数: 12

約数和(自身を含む): 38283840

約数和(自身を除く): 16772204

約数列:

[1, 2, 4, 59, 118, 236, 91151, 182302, 364604, 5377909, 10755818, 21511636]

約数ペア:

[(1, 21511636), (2, 10755818), (4, 5377909), (59, 364604), (118, 182302), (236, 91151)]