21655080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20051}}^1$

素因数の和:20071

約数の個数: 64

約数和(自身を含む): 72187200

約数和(自身を除く): 50532120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20051, 40102, 60153, 80204, 100255, 120306, 160408, 180459, 200510, 240612, 300765, 360918, 401020, 481224, 541377, 601530, 721836, 802040, 902295, 1082754, 1203060, 1443672, 1804590, 2165508, 2406120, 2706885, 3609180, 4331016, 5413770, 7218360, 10827540, 21655080]

約数ペア:

[(1, 21655080), (2, 10827540), (3, 7218360), (4, 5413770), (5, 4331016), (6, 3609180), (8, 2706885), (9, 2406120), (10, 2165508), (12, 1804590), (15, 1443672), (18, 1203060), (20, 1082754), (24, 902295), (27, 802040), (30, 721836), (36, 601530), (40, 541377), (45, 481224), (54, 401020), (60, 360918), (72, 300765), (90, 240612), (108, 200510), (120, 180459), (135, 160408), (180, 120306), (216, 100255), (270, 80204), (360, 60153), (540, 40102), (1080, 20051)]