21251300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4337}}^1$

素因数の和:4365

約数の個数: 54

約数和(自身を含む): 53656722

約数和(自身を除く): 32405422

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4337, 4900, 8674, 17348, 21685, 30359, 43370, 60718, 86740, 108425, 121436, 151795, 212513, 216850, 303590, 425026, 433700, 607180, 758975, 850052, 1062565, 1517950, 2125130, 3035900, 4250260, 5312825, 10625650, 21251300]

約数ペア:

[(1, 21251300), (2, 10625650), (4, 5312825), (5, 4250260), (7, 3035900), (10, 2125130), (14, 1517950), (20, 1062565), (25, 850052), (28, 758975), (35, 607180), (49, 433700), (50, 425026), (70, 303590), (98, 216850), (100, 212513), (140, 151795), (175, 121436), (196, 108425), (245, 86740), (350, 60718), (490, 43370), (700, 30359), (980, 21685), (1225, 17348), (2450, 8674), (4337, 4900)]