21847509

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{9749}}^1$

素因数の和:9841

約数の個数: 16

約数和(自身を含む): 32760000

約数和(自身を除く): 10912491

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 9749, 29247, 87741, 263223, 809167, 2427501, 7282503, 21847509]

約数ペア:

[(1, 21847509), (3, 7282503), (9, 2427501), (27, 809167), (83, 263223), (249, 87741), (747, 29247), (2241, 9749)]