21989442

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{33623}}^1$

素因数の和:33737

約数の個数: 16

約数和(自身を含む): 44383680

約数和(自身を除く): 22394238

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 33623, 67246, 100869, 201738, 3664907, 7329814, 10994721, 21989442]

約数ペア:

[(1, 21989442), (2, 10994721), (3, 7329814), (6, 3664907), (109, 201738), (218, 100869), (327, 67246), (654, 33623)]