21080822410

素因数分解:

$2^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{967}}^1\times {\mathrm{2393}}^1$

素因数の和:4278

約数の個数: 32

約数和(自身を含む): 38042307072

約数和(自身を除く): 16961484662

約数列:

[1, 2, 5, 10, 911, 967, 1822, 1934, 2393, 4555, 4786, 4835, 9110, 9670, 11965, 23930, 880937, 1761874, 2180023, 2314031, 4360046, 4404685, 4628062, 8809370, 10900115, 11570155, 21800230, 23140310, 2108082241, 4216164482, 10540411205, 21080822410]

約数ペア:

[(1, 21080822410), (2, 10540411205), (5, 4216164482), (10, 2108082241), (911, 23140310), (967, 21800230), (1822, 11570155), (1934, 10900115), (2393, 8809370), (4555, 4628062), (4786, 4404685), (4835, 4360046), (9110, 2314031), (9670, 2180023), (11965, 1761874), (23930, 880937)]