21070778888

素因数分解:

$2^3\times {\mathrm{3037}}^1\times {\mathrm{867253}}^1$

素因数の和:870296

約数の個数: 16

約数和(自身を含む): 39520764780

約数和(自身を除く): 18449985892

約数列:

[1, 2, 4, 8, 3037, 6074, 12148, 24296, 867253, 1734506, 3469012, 6938024, 2633847361, 5267694722, 10535389444, 21070778888]

約数ペア:

[(1, 21070778888), (2, 10535389444), (4, 5267694722), (8, 2633847361), (3037, 6938024), (6074, 3469012), (12148, 1734506), (24296, 867253)]