21428492788

素因数分解:

$2^2\times {\mathrm{433}}^2\times {\mathrm{28573}}^1$

素因数の和:29443

約数の個数: 18

約数和(自身を含む): 37587982614

約数和(自身を除く): 16159489826

約数列:

[1, 2, 4, 433, 866, 1732, 28573, 57146, 114292, 187489, 374978, 749956, 12372109, 24744218, 49488436, 5357123197, 10714246394, 21428492788]

約数ペア:

[(1, 21428492788), (2, 10714246394), (4, 5357123197), (433, 49488436), (866, 24744218), (1732, 12372109), (28573, 749956), (57146, 374978), (114292, 187489)]