21332774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{1021}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 33161856

約数和(自身を除く): 11829082

約数列:

[1, 2, 31, 62, 337, 674, 1021, 2042, 10447, 20894, 31651, 63302, 344077, 688154, 10666387, 21332774]

約数ペア:

[(1, 21332774), (2, 10666387), (31, 688154), (62, 344077), (337, 63302), (674, 31651), (1021, 20894), (2042, 10447)]