21800040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181667}}^1$

素因数の和:181681

約数の個数: 32

約数和(自身を含む): 65400480

約数和(自身を除く): 43600440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181667, 363334, 545001, 726668, 908335, 1090002, 1453336, 1816670, 2180004, 2725005, 3633340, 4360008, 5450010, 7266680, 10900020, 21800040]

約数ペア:

[(1, 21800040), (2, 10900020), (3, 7266680), (4, 5450010), (5, 4360008), (6, 3633340), (8, 2725005), (10, 2180004), (12, 1816670), (15, 1453336), (20, 1090002), (24, 908335), (30, 726668), (40, 545001), (60, 363334), (120, 181667)]