21073899

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91229}}^1$

素因数の和:91250

約数の個数: 16

約数和(自身を含む): 35032320

約数和(自身を除く): 13958421

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91229, 273687, 638603, 1003519, 1915809, 3010557, 7024633, 21073899]

約数ペア:

[(1, 21073899), (3, 7024633), (7, 3010557), (11, 1915809), (21, 1003519), (33, 638603), (77, 273687), (231, 91229)]