21122600

素因数分解:

$2^3\times 5^2\times {\mathrm{105613}}^1$

素因数の和:105629

約数の個数: 24

約数和(自身を含む): 49110510

約数和(自身を除く): 27987910

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105613, 211226, 422452, 528065, 844904, 1056130, 2112260, 2640325, 4224520, 5280650, 10561300, 21122600]

約数ペア:

[(1, 21122600), (2, 10561300), (4, 5280650), (5, 4224520), (8, 2640325), (10, 2112260), (20, 1056130), (25, 844904), (40, 528065), (50, 422452), (100, 211226), (200, 105613)]