21789746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{2939}}^1$

素因数の和:3289

約数の個数: 16

約数和(自身を含む): 35773920

約数和(自身を除く): 13984174

約数列:

[1, 2, 11, 22, 337, 674, 2939, 3707, 5878, 7414, 32329, 64658, 990443, 1980886, 10894873, 21789746]

約数ペア:

[(1, 21789746), (2, 10894873), (11, 1980886), (22, 990443), (337, 64658), (674, 32329), (2939, 7414), (3707, 5878)]