21345000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1423}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 66728640

約数和(自身を除く): 45383640

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, 1423, 1500, 1875, 2500, 2846, 3000, 3750, 4269, 5000, 5692, 7115, 7500, 8538, 11384, 14230, 15000, 17076, 21345, 28460, 34152, 35575, 42690, 56920, 71150, 85380, 106725, 142300, 170760, 177875, 213450, 284600, 355750, 426900, 533625, 711500, 853800, 889375, 1067250, 1423000, 1778750, 2134500, 2668125, 3557500, 4269000, 5336250, 7115000, 10672500, 21345000]

約数ペア:

[(1, 21345000), (2, 10672500), (3, 7115000), (4, 5336250), (5, 4269000), (6, 3557500), (8, 2668125), (10, 2134500), (12, 1778750), (15, 1423000), (20, 1067250), (24, 889375), (25, 853800), (30, 711500), (40, 533625), (50, 426900), (60, 355750), (75, 284600), (100, 213450), (120, 177875), (125, 170760), (150, 142300), (200, 106725), (250, 85380), (300, 71150), (375, 56920), (500, 42690), (600, 35575), (625, 34152), (750, 28460), (1000, 21345), (1250, 17076), (1423, 15000), (1500, 14230), (1875, 11384), (2500, 8538), (2846, 7500), (3000, 7115), (3750, 5692), (4269, 5000)]