21989982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523571}}^1$

素因数の和:523583

約数の個数: 16

約数和(自身を含む): 50262912

約数和(自身を除く): 28272930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523571, 1047142, 1570713, 3141426, 3664997, 7329994, 10994991, 21989982]

約数ペア:

[(1, 21989982), (2, 10994991), (3, 7329994), (6, 3664997), (7, 3141426), (14, 1570713), (21, 1047142), (42, 523571)]