21028623

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91033}}^1$

素因数の和:91054

約数の個数: 16

約数和(自身を含む): 34957056

約数和(自身を除く): 13928433

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91033, 273099, 637231, 1001363, 1911693, 3004089, 7009541, 21028623]

約数ペア:

[(1, 21028623), (3, 7009541), (7, 3004089), (11, 1911693), (21, 1001363), (33, 637231), (77, 273099), (231, 91033)]