21813816

素因数分解:

$2^3\times 3^1\times {\mathrm{908909}}^1$

素因数の和:908918

約数の個数: 16

約数和(自身を含む): 54534600

約数和(自身を除く): 32720784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 908909, 1817818, 2726727, 3635636, 5453454, 7271272, 10906908, 21813816]

約数ペア:

[(1, 21813816), (2, 10906908), (3, 7271272), (4, 5453454), (6, 3635636), (8, 2726727), (12, 1817818), (24, 908909)]