21857451

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{94621}}^1$

素因数の和:94642

約数の個数: 16

約数和(自身を含む): 36334848

約数和(自身を除く): 14477397

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 94621, 283863, 662347, 1040831, 1987041, 3122493, 7285817, 21857451]

約数ペア:

[(1, 21857451), (3, 7285817), (7, 3122493), (11, 1987041), (21, 1040831), (33, 662347), (77, 283863), (231, 94621)]