21000514868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{6833}}^1\times {\mathrm{45197}}^1$

素因数の和:52051

約数の個数: 24

約数和(自身を含む): 38919274632

約数和(自身を除く): 17918759764

約数列:

[1, 2, 4, 17, 34, 68, 6833, 13666, 27332, 45197, 90394, 116161, 180788, 232322, 464644, 768349, 1536698, 3073396, 308831101, 617662202, 1235324404, 5250128717, 10500257434, 21000514868]

約数ペア:

[(1, 21000514868), (2, 10500257434), (4, 5250128717), (17, 1235324404), (34, 617662202), (68, 308831101), (6833, 3073396), (13666, 1536698), (27332, 768349), (45197, 464644), (90394, 232322), (116161, 180788)]