21015583956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11014457}}^1$

素因数の和:11014520

約数の個数: 36

約数和(自身を含む): 54125046612

約数和(自身を除く): 33109462656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11014457, 22028914, 33043371, 44057828, 66086742, 99130113, 132173484, 198260226, 396520452, 583766221, 1167532442, 1751298663, 2335064884, 3502597326, 5253895989, 7005194652, 10507791978, 21015583956]

約数ペア:

[(1, 21015583956), (2, 10507791978), (3, 7005194652), (4, 5253895989), (6, 3502597326), (9, 2335064884), (12, 1751298663), (18, 1167532442), (36, 583766221), (53, 396520452), (106, 198260226), (159, 132173484), (212, 99130113), (318, 66086742), (477, 44057828), (636, 33043371), (954, 22028914), (1908, 11014457)]