21084564400

素因数分解:

$2^4\times 5^2\times {\mathrm{52711411}}^1$

素因数の和:52711429

約数の個数: 30

約数和(自身を含む): 50655666932

約数和(自身を除く): 29571102532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52711411, 105422822, 210845644, 263557055, 421691288, 527114110, 843382576, 1054228220, 1317785275, 2108456440, 2635570550, 4216912880, 5271141100, 10542282200, 21084564400]

約数ペア:

[(1, 21084564400), (2, 10542282200), (4, 5271141100), (5, 4216912880), (8, 2635570550), (10, 2108456440), (16, 1317785275), (20, 1054228220), (25, 843382576), (40, 527114110), (50, 421691288), (80, 263557055), (100, 210845644), (200, 105422822), (400, 52711411)]