21219042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272039}}^1$

素因数の和:272057

約数の個数: 16

約数和(自身を含む): 45702720

約数和(自身を除く): 24483678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272039, 544078, 816117, 1632234, 3536507, 7073014, 10609521, 21219042]

約数ペア:

[(1, 21219042), (2, 10609521), (3, 7073014), (6, 3536507), (13, 1632234), (26, 816117), (39, 544078), (78, 272039)]