21000332164

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4491089}}^1$

素因数の和:4491267

約数の個数: 24

約数和(自身を含む): 42252174720

約数和(自身を除く): 21251842556

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 4491089, 8982178, 17964356, 31437623, 62875246, 125750492, 750011863, 1500023726, 3000047452, 5250083041, 10500166082, 21000332164]

約数ペア:

[(1, 21000332164), (2, 10500166082), (4, 5250083041), (7, 3000047452), (14, 1500023726), (28, 750011863), (167, 125750492), (334, 62875246), (668, 31437623), (1169, 17964356), (2338, 8982178), (4676, 4491089)]