21992076

素因数分解:

$2^2\times 3^2\times {\mathrm{610891}}^1$

素因数の和:610901

約数の個数: 18

約数和(自身を含む): 55591172

約数和(自身を除く): 33599096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 610891, 1221782, 1832673, 2443564, 3665346, 5498019, 7330692, 10996038, 21992076]

約数ペア:

[(1, 21992076), (2, 10996038), (3, 7330692), (4, 5498019), (6, 3665346), (9, 2443564), (12, 1832673), (18, 1221782), (36, 610891)]