21664522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51829}}^1$

素因数の和:51861

約数の個数: 16

約数和(自身を含む): 37317600

約数和(自身を除く): 15653078

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51829, 103658, 570119, 984751, 1140238, 1969502, 10832261, 21664522]

約数ペア:

[(1, 21664522), (2, 10832261), (11, 1969502), (19, 1140238), (22, 984751), (38, 570119), (209, 103658), (418, 51829)]