21000304804

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{3823}}^1\times {\mathrm{6971}}^1$

素因数の和:10995

約数の個数: 24

約数和(自身を含む): 36952046208

約数和(自身を除く): 15951741404

約数列:

[1, 2, 4, 197, 394, 788, 3823, 6971, 7646, 13942, 15292, 27884, 753131, 1373287, 1506262, 2746574, 3012524, 5493148, 26650133, 53300266, 106600532, 5250076201, 10500152402, 21000304804]

約数ペア:

[(1, 21000304804), (2, 10500152402), (4, 5250076201), (197, 106600532), (394, 53300266), (788, 26650133), (3823, 5493148), (6971, 3012524), (7646, 2746574), (13942, 1506262), (15292, 1373287), (27884, 753131)]