21827870

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9133}}^1$

素因数の和:9379

約数の個数: 16

約数和(自身を含む): 39458880

約数和(自身を除く): 17631010

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 9133, 18266, 45665, 91330, 2182787, 4365574, 10913935, 21827870]

約数ペア:

[(1, 21827870), (2, 10913935), (5, 4365574), (10, 2182787), (239, 91330), (478, 45665), (1195, 18266), (2390, 9133)]