21161514

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3863}}^1$

素因数の和:3962

約数の個数: 32

約数和(自身を含む): 46738944

約数和(自身を除く): 25577430

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3863, 5478, 7726, 11589, 23178, 42493, 84986, 127479, 254958, 320629, 641258, 961887, 1923774, 3526919, 7053838, 10580757, 21161514]

約数ペア:

[(1, 21161514), (2, 10580757), (3, 7053838), (6, 3526919), (11, 1923774), (22, 961887), (33, 641258), (66, 320629), (83, 254958), (166, 127479), (249, 84986), (498, 42493), (913, 23178), (1826, 11589), (2739, 7726), (3863, 5478)]