21282200

素因数分解:

$2^3\times 5^2\times {\mathrm{106411}}^1$

素因数の和:106427

約数の個数: 24

約数和(自身を含む): 49481580

約数和(自身を除く): 28199380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106411, 212822, 425644, 532055, 851288, 1064110, 2128220, 2660275, 4256440, 5320550, 10641100, 21282200]

約数ペア:

[(1, 21282200), (2, 10641100), (4, 5320550), (5, 4256440), (8, 2660275), (10, 2128220), (20, 1064110), (25, 851288), (40, 532055), (50, 425644), (100, 212822), (200, 106411)]