21095569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 23659200

約数和(自身を除く): 2563631

約数列:

[1, 11, 61, 149, 211, 671, 1639, 2321, 9089, 12871, 31439, 99979, 141581, 345829, 1917779, 21095569]

約数ペア:

[(1, 21095569), (11, 1917779), (61, 345829), (149, 141581), (211, 99979), (671, 31439), (1639, 12871), (2321, 9089)]