2021159804

素因数分解:

$2^2\times {\mathrm{971}}^1\times {\mathrm{520381}}^1$

素因数の和:521356

約数の個数: 12

約数和(自身を含む): 3540679128

約数和(自身を除く): 1519519324

約数列:

[1, 2, 4, 971, 1942, 3884, 520381, 1040762, 2081524, 505289951, 1010579902, 2021159804]

約数ペア:

[(1, 2021159804), (2, 1010579902), (4, 505289951), (971, 2081524), (1942, 1040762), (3884, 520381)]