21916130

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15767}}^1$

素因数の和:15913

約数の個数: 16

約数和(自身を含む): 39735360

約数和(自身を除く): 17819230

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 15767, 31534, 78835, 157670, 2191613, 4383226, 10958065, 21916130]

約数ペア:

[(1, 21916130), (2, 10958065), (5, 4383226), (10, 2191613), (139, 157670), (278, 78835), (695, 31534), (1390, 15767)]