21135000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1409}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 66072600

約数和(自身を除く): 44937600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1409, 1500, 1875, 2500, 2818, 3000, 3750, 4227, 5000, 5636, 7045, 7500, 8454, 11272, 14090, 15000, 16908, 21135, 28180, 33816, 35225, 42270, 56360, 70450, 84540, 105675, 140900, 169080, 176125, 211350, 281800, 352250, 422700, 528375, 704500, 845400, 880625, 1056750, 1409000, 1761250, 2113500, 2641875, 3522500, 4227000, 5283750, 7045000, 10567500, 21135000]

約数ペア:

[(1, 21135000), (2, 10567500), (3, 7045000), (4, 5283750), (5, 4227000), (6, 3522500), (8, 2641875), (10, 2113500), (12, 1761250), (15, 1409000), (20, 1056750), (24, 880625), (25, 845400), (30, 704500), (40, 528375), (50, 422700), (60, 352250), (75, 281800), (100, 211350), (120, 176125), (125, 169080), (150, 140900), (200, 105675), (250, 84540), (300, 70450), (375, 56360), (500, 42270), (600, 35225), (625, 33816), (750, 28180), (1000, 21135), (1250, 16908), (1409, 15000), (1500, 14090), (1875, 11272), (2500, 8454), (2818, 7500), (3000, 7045), (3750, 5636), (4227, 5000)]