21023800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15017}}^1$

素因数の和:15040

約数の個数: 48

約数和(自身を含む): 55866960

約数和(自身を除く): 34843160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15017, 30034, 60068, 75085, 105119, 120136, 150170, 210238, 300340, 375425, 420476, 525595, 600680, 750850, 840952, 1051190, 1501700, 2102380, 2627975, 3003400, 4204760, 5255950, 10511900, 21023800]

約数ペア:

[(1, 21023800), (2, 10511900), (4, 5255950), (5, 4204760), (7, 3003400), (8, 2627975), (10, 2102380), (14, 1501700), (20, 1051190), (25, 840952), (28, 750850), (35, 600680), (40, 525595), (50, 420476), (56, 375425), (70, 300340), (100, 210238), (140, 150170), (175, 120136), (200, 105119), (280, 75085), (350, 60068), (700, 30034), (1400, 15017)]