21395500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6113}}^1$

素因数の和:6139

約数の個数: 48

約数和(自身を含む): 53411904

約数和(自身を除く): 32016404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6113, 12226, 24452, 30565, 42791, 61130, 85582, 122260, 152825, 171164, 213955, 305650, 427910, 611300, 764125, 855820, 1069775, 1528250, 2139550, 3056500, 4279100, 5348875, 10697750, 21395500]

約数ペア:

[(1, 21395500), (2, 10697750), (4, 5348875), (5, 4279100), (7, 3056500), (10, 2139550), (14, 1528250), (20, 1069775), (25, 855820), (28, 764125), (35, 611300), (50, 427910), (70, 305650), (100, 213955), (125, 171164), (140, 152825), (175, 122260), (250, 85582), (350, 61130), (500, 42791), (700, 30565), (875, 24452), (1750, 12226), (3500, 6113)]