21147700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30211}}^1$

素因数の和:30232

約数の個数: 36

約数和(自身を含む): 52448032

約数和(自身を除く): 31300332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30211, 60422, 120844, 151055, 211477, 302110, 422954, 604220, 755275, 845908, 1057385, 1510550, 2114770, 3021100, 4229540, 5286925, 10573850, 21147700]

約数ペア:

[(1, 21147700), (2, 10573850), (4, 5286925), (5, 4229540), (7, 3021100), (10, 2114770), (14, 1510550), (20, 1057385), (25, 845908), (28, 755275), (35, 604220), (50, 422954), (70, 302110), (100, 211477), (140, 151055), (175, 120844), (350, 60422), (700, 30211)]