21910744

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{25127}}^1$

素因数の和:25242

約数の個数: 16

約数和(自身を含む): 41461200

約数和(自身を除く): 19550456

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 25127, 50254, 100508, 201016, 2738843, 5477686, 10955372, 21910744]

約数ペア:

[(1, 21910744), (2, 10955372), (4, 5477686), (8, 2738843), (109, 201016), (218, 100508), (436, 50254), (872, 25127)]