16940238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{403339}}^1$

素因数の和:403351

約数の個数: 16

約数和(自身を含む): 38720640

約数和(自身を除く): 21780402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 403339, 806678, 1210017, 2420034, 2823373, 5646746, 8470119, 16940238]

約数ペア:

[(1, 16940238), (2, 8470119), (3, 5646746), (6, 2823373), (7, 2420034), (14, 1210017), (21, 806678), (42, 403339)]