21022500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2803}}^1$

素因数の和:2830

約数の個数: 60

約数和(自身を含む): 61317872

約数和(自身を除く): 40295372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2803, 3750, 5606, 7500, 8409, 11212, 14015, 16818, 28030, 33636, 42045, 56060, 70075, 84090, 140150, 168180, 210225, 280300, 350375, 420450, 700750, 840900, 1051125, 1401500, 1751875, 2102250, 3503750, 4204500, 5255625, 7007500, 10511250, 21022500]

約数ペア:

[(1, 21022500), (2, 10511250), (3, 7007500), (4, 5255625), (5, 4204500), (6, 3503750), (10, 2102250), (12, 1751875), (15, 1401500), (20, 1051125), (25, 840900), (30, 700750), (50, 420450), (60, 350375), (75, 280300), (100, 210225), (125, 168180), (150, 140150), (250, 84090), (300, 70075), (375, 56060), (500, 42045), (625, 33636), (750, 28030), (1250, 16818), (1500, 14015), (1875, 11212), (2500, 8409), (2803, 7500), (3750, 5606)]