21048120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19489}}^1$

素因数の和:19509

約数の個数: 64

約数和(自身を含む): 70164000

約数和(自身を除く): 49115880

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, 19489, 38978, 58467, 77956, 97445, 116934, 155912, 175401, 194890, 233868, 292335, 350802, 389780, 467736, 526203, 584670, 701604, 779560, 877005, 1052406, 1169340, 1403208, 1754010, 2104812, 2338680, 2631015, 3508020, 4209624, 5262030, 7016040, 10524060, 21048120]

約数ペア:

[(1, 21048120), (2, 10524060), (3, 7016040), (4, 5262030), (5, 4209624), (6, 3508020), (8, 2631015), (9, 2338680), (10, 2104812), (12, 1754010), (15, 1403208), (18, 1169340), (20, 1052406), (24, 877005), (27, 779560), (30, 701604), (36, 584670), (40, 526203), (45, 467736), (54, 389780), (60, 350802), (72, 292335), (90, 233868), (108, 194890), (120, 175401), (135, 155912), (180, 116934), (216, 97445), (270, 77956), (360, 58467), (540, 38978), (1080, 19489)]