21608523

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 32847360

約数和(自身を除く): 11238837

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 751, 1251, 2253, 3197, 6759, 9591, 17273, 28773, 51819, 104389, 155457, 313167, 939501, 2400947, 7202841, 21608523]

約数ペア:

[(1, 21608523), (3, 7202841), (9, 2400947), (23, 939501), (69, 313167), (139, 155457), (207, 104389), (417, 51819), (751, 28773), (1251, 17273), (2253, 9591), (3197, 6759)]