21765662356

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{761}}^1\times {\mathrm{80341}}^1$

素因数の和:81195

約数の個数: 24

約数和(自身を含む): 38568980520

約数和(自身を除く): 16803318164

約数列:

[1, 2, 4, 89, 178, 356, 761, 1522, 3044, 67729, 80341, 135458, 160682, 270916, 321364, 7150349, 14300698, 28601396, 61139501, 122279002, 244558004, 5441415589, 10882831178, 21765662356]

約数ペア:

[(1, 21765662356), (2, 10882831178), (4, 5441415589), (89, 244558004), (178, 122279002), (356, 61139501), (761, 28601396), (1522, 14300698), (3044, 7150349), (67729, 321364), (80341, 270916), (135458, 160682)]