21810120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181751}}^1$

素因数の和:181765

約数の個数: 32

約数和(自身を含む): 65430720

約数和(自身を除く): 43620600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181751, 363502, 545253, 727004, 908755, 1090506, 1454008, 1817510, 2181012, 2726265, 3635020, 4362024, 5452530, 7270040, 10905060, 21810120]

約数ペア:

[(1, 21810120), (2, 10905060), (3, 7270040), (4, 5452530), (5, 4362024), (6, 3635020), (8, 2726265), (10, 2181012), (12, 1817510), (15, 1454008), (20, 1090506), (24, 908755), (30, 727004), (40, 545253), (60, 363502), (120, 181751)]