21789726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{518803}}^1$

素因数の和:518815

約数の個数: 16

約数和(自身を含む): 49805184

約数和(自身を除く): 28015458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 518803, 1037606, 1556409, 3112818, 3631621, 7263242, 10894863, 21789726]

約数ペア:

[(1, 21789726), (2, 10894863), (3, 7263242), (6, 3631621), (7, 3112818), (14, 1556409), (21, 1037606), (42, 518803)]