21429900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7937}}^1$

素因数の和:7960

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 47471940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7937, 15874, 23811, 31748, 39685, 47622, 71433, 79370, 95244, 119055, 142866, 158740, 198425, 214299, 238110, 285732, 357165, 396850, 428598, 476220, 595275, 714330, 793700, 857196, 1071495, 1190550, 1428660, 1785825, 2142990, 2381100, 3571650, 4285980, 5357475, 7143300, 10714950, 21429900]

約数ペア:

[(1, 21429900), (2, 10714950), (3, 7143300), (4, 5357475), (5, 4285980), (6, 3571650), (9, 2381100), (10, 2142990), (12, 1785825), (15, 1428660), (18, 1190550), (20, 1071495), (25, 857196), (27, 793700), (30, 714330), (36, 595275), (45, 476220), (50, 428598), (54, 396850), (60, 357165), (75, 285732), (90, 238110), (100, 214299), (108, 198425), (135, 158740), (150, 142866), (180, 119055), (225, 95244), (270, 79370), (300, 71433), (450, 47622), (540, 39685), (675, 31748), (900, 23811), (1350, 15874), (2700, 7937)]