21327243

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2203}}^1$

素因数の和:2674

約数の個数: 16

約数和(自身を含む): 32583936

約数和(自身を除く): 11256693

約数列:

[1, 3, 7, 21, 461, 1383, 2203, 3227, 6609, 9681, 15421, 46263, 1015583, 3046749, 7109081, 21327243]

約数ペア:

[(1, 21327243), (3, 7109081), (7, 3046749), (21, 1015583), (461, 46263), (1383, 15421), (2203, 9681), (3227, 6609)]