21767288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63277}}^1$

素因数の和:63326

約数の個数: 16

約数和(自身を含む): 41763480

約数和(自身を除く): 19996192

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63277, 126554, 253108, 506216, 2720911, 5441822, 10883644, 21767288]

約数ペア:

[(1, 21767288), (2, 10883644), (4, 5441822), (8, 2720911), (43, 506216), (86, 253108), (172, 126554), (344, 63277)]