21000751887

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1\times {\mathrm{334093}}^1$

素因数の和:335030

約数の個数: 16

約数和(自身を含む): 29250597888

約数和(自身を除く): 8249846001

約数列:

[1, 3, 23, 69, 911, 2733, 20953, 62859, 334093, 1002279, 7684139, 23052417, 304358723, 913076169, 7000250629, 21000751887]

約数ペア:

[(1, 21000751887), (3, 7000250629), (23, 913076169), (69, 304358723), (911, 23052417), (2733, 7684139), (20953, 1002279), (62859, 334093)]