21986734

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142771}}^1$

素因数の和:142791

約数の個数: 16

約数和(自身を含む): 41118336

約数和(自身を除く): 19131602

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142771, 285542, 999397, 1570481, 1998794, 3140962, 10993367, 21986734]

約数ペア:

[(1, 21986734), (2, 10993367), (7, 3140962), (11, 1998794), (14, 1570481), (22, 999397), (77, 285542), (154, 142771)]