21005100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23339}}^1$

素因数の和:23359

約数の個数: 54

約数和(自身を含む): 65842140

約数和(自身を除く): 44837040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23339, 46678, 70017, 93356, 116695, 140034, 210051, 233390, 280068, 350085, 420102, 466780, 583475, 700170, 840204, 1050255, 1166950, 1400340, 1750425, 2100510, 2333900, 3500850, 4201020, 5251275, 7001700, 10502550, 21005100]

約数ペア:

[(1, 21005100), (2, 10502550), (3, 7001700), (4, 5251275), (5, 4201020), (6, 3500850), (9, 2333900), (10, 2100510), (12, 1750425), (15, 1400340), (18, 1166950), (20, 1050255), (25, 840204), (30, 700170), (36, 583475), (45, 466780), (50, 420102), (60, 350085), (75, 280068), (90, 233390), (100, 210051), (150, 140034), (180, 116695), (225, 93356), (300, 70017), (450, 46678), (900, 23339)]