21375528062

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2374531}}^1$

素因数の和:2375183

約数の個数: 16

約数和(自身を含む): 36700766592

約数和(自身を除く): 15325238530

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 2374531, 4749062, 16621717, 33243434, 1526823433, 3053646866, 10687764031, 21375528062]

約数ペア:

[(1, 21375528062), (2, 10687764031), (7, 3053646866), (14, 1526823433), (643, 33243434), (1286, 16621717), (4501, 4749062), (9002, 2374531)]