21329330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21006670

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 1999, 2134, 3998, 5335, 9995, 10670, 19990, 21989, 43978, 109945, 193903, 219890, 387806, 969515, 1939030, 2132933, 4265866, 10664665, 21329330]

約数ペア:

[(1, 21329330), (2, 10664665), (5, 4265866), (10, 2132933), (11, 1939030), (22, 969515), (55, 387806), (97, 219890), (110, 193903), (194, 109945), (485, 43978), (970, 21989), (1067, 19990), (1999, 10670), (2134, 9995), (3998, 5335)]