21040986

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25229}}^1$

素因数の和:25373

約数の個数: 16

約数和(自身を含む): 42386400

約数和(自身を除く): 21345414

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25229, 50458, 75687, 151374, 3506831, 7013662, 10520493, 21040986]

約数ペア:

[(1, 21040986), (2, 10520493), (3, 7013662), (6, 3506831), (139, 151374), (278, 75687), (417, 50458), (834, 25229)]