21005706

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52253}}^1$

素因数の和:52325

約数の個数: 16

約数和(自身を含む): 42639264

約数和(自身を除く): 21633558

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52253, 104506, 156759, 313518, 3500951, 7001902, 10502853, 21005706]

約数ペア:

[(1, 21005706), (2, 10502853), (3, 7001902), (6, 3500951), (67, 313518), (134, 156759), (201, 104506), (402, 52253)]