21336436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2803}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 40983264

約数和(自身を除く): 19646828

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2803, 3806, 5606, 7612, 11212, 30833, 61666, 123332, 484919, 969838, 1939676, 5334109, 10668218, 21336436]

約数ペア:

[(1, 21336436), (2, 10668218), (4, 5334109), (11, 1939676), (22, 969838), (44, 484919), (173, 123332), (346, 61666), (692, 30833), (1903, 11212), (2803, 7612), (3806, 5606)]