21899163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51047}}^1$

素因数の和:51074

約数の個数: 16

約数和(自身を含む): 34304256

約数和(自身を除く): 12405093

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 51047, 153141, 561517, 663611, 1684551, 1990833, 7299721, 21899163]

約数ペア:

[(1, 21899163), (3, 7299721), (11, 1990833), (13, 1684551), (33, 663611), (39, 561517), (143, 153141), (429, 51047)]