21031438

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{1039}}^1$

素因数の和:1419

約数の個数: 16

約数和(自身を含む): 32760000

約数和(自身を除く): 11728562

約数列:

[1, 2, 29, 58, 349, 698, 1039, 2078, 10121, 20242, 30131, 60262, 362611, 725222, 10515719, 21031438]

約数ペア:

[(1, 21031438), (2, 10515719), (29, 725222), (58, 362611), (349, 60262), (698, 30131), (1039, 20242), (2078, 10121)]