21325436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1373}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 40857264

約数和(自身を除く): 19531828

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1373, 1412, 2746, 3883, 5492, 7766, 15103, 15532, 30206, 60412, 484669, 969338, 1938676, 5331359, 10662718, 21325436]

約数ペア:

[(1, 21325436), (2, 10662718), (4, 5331359), (11, 1938676), (22, 969338), (44, 484669), (353, 60412), (706, 30206), (1373, 15532), (1412, 15103), (2746, 7766), (3883, 5492)]