28140714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223339}}^1$

素因数の和:223354

約数の個数: 24

約数和(自身を含む): 69682080

約数和(自身を除く): 41541366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223339, 446678, 670017, 1340034, 1563373, 2010051, 3126746, 4020102, 4690119, 9380238, 14070357, 28140714]

約数ペア:

[(1, 28140714), (2, 14070357), (3, 9380238), (6, 4690119), (7, 4020102), (9, 3126746), (14, 2010051), (18, 1563373), (21, 1340034), (42, 670017), (63, 446678), (126, 223339)]