21694497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 33371136

約数和(自身を除く): 11676639

約数列:

[1, 3, 11, 23, 33, 69, 101, 253, 283, 303, 759, 849, 1111, 2323, 3113, 3333, 6509, 6969, 9339, 19527, 25553, 28583, 71599, 76659, 85749, 214797, 314413, 657409, 943239, 1972227, 7231499, 21694497]

約数ペア:

[(1, 21694497), (3, 7231499), (11, 1972227), (23, 943239), (33, 657409), (69, 314413), (101, 214797), (253, 85749), (283, 76659), (303, 71599), (759, 28583), (849, 25553), (1111, 19527), (2323, 9339), (3113, 6969), (3333, 6509)]