21004522

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136393}}^1$

素因数の和:136413

約数の個数: 16

約数和(自身を含む): 39281472

約数和(自身を除く): 18276950

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136393, 272786, 954751, 1500323, 1909502, 3000646, 10502261, 21004522]

約数ペア:

[(1, 21004522), (2, 10502261), (7, 3000646), (11, 1909502), (14, 1500323), (22, 954751), (77, 272786), (154, 136393)]