21347900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30497}}^1$

素因数の和:30518

約数の個数: 36

約数和(自身を含む): 52944528

約数和(自身を除く): 31596628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30497, 60994, 121988, 152485, 213479, 304970, 426958, 609940, 762425, 853916, 1067395, 1524850, 2134790, 3049700, 4269580, 5336975, 10673950, 21347900]

約数ペア:

[(1, 21347900), (2, 10673950), (4, 5336975), (5, 4269580), (7, 3049700), (10, 2134790), (14, 1524850), (20, 1067395), (25, 853916), (28, 762425), (35, 609940), (50, 426958), (70, 304970), (100, 213479), (140, 152485), (175, 121988), (350, 60994), (700, 30497)]