21989454

素因数分解:

$2^1\times 3^1\times {\mathrm{811}}^1\times {\mathrm{4519}}^1$

素因数の和:5335

約数の個数: 16

約数和(自身を含む): 44042880

約数和(自身を除く): 22053426

約数列:

[1, 2, 3, 6, 811, 1622, 2433, 4519, 4866, 9038, 13557, 27114, 3664909, 7329818, 10994727, 21989454]

約数ペア:

[(1, 21989454), (2, 10994727), (3, 7329818), (6, 3664909), (811, 27114), (1622, 13557), (2433, 9038), (4519, 4866)]