21051690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63793}}^1$

素因数の和:63814

約数の個数: 32

約数和(自身を含む): 55118016

約数和(自身を除く): 34066326

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63793, 127586, 191379, 318965, 382758, 637930, 701723, 956895, 1403446, 1913790, 2105169, 3508615, 4210338, 7017230, 10525845, 21051690]

約数ペア:

[(1, 21051690), (2, 10525845), (3, 7017230), (5, 4210338), (6, 3508615), (10, 2105169), (11, 1913790), (15, 1403446), (22, 956895), (30, 701723), (33, 637930), (55, 382758), (66, 318965), (110, 191379), (165, 127586), (330, 63793)]