21125434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7561}}^1$

素因数の和:7701

約数の個数: 16

約数和(自身を含む): 34845696

約数和(自身を除く): 13720262

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7561, 15122, 83171, 166342, 960247, 1920494, 10562717, 21125434]

約数ペア:

[(1, 21125434), (2, 10562717), (11, 1920494), (22, 960247), (127, 166342), (254, 83171), (1397, 15122), (2794, 7561)]