21931714

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7717}}^1$

素因数の和:7762

約数の個数: 24

約数和(自身を含む): 39593340

約数和(自身を除く): 17661626

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7717, 15434, 54019, 108038, 223793, 378133, 447586, 756266, 1566551, 3133102, 10965857, 21931714]

約数ペア:

[(1, 21931714), (2, 10965857), (7, 3133102), (14, 1566551), (29, 756266), (49, 447586), (58, 378133), (98, 223793), (203, 108038), (406, 54019), (1421, 15434), (2842, 7717)]