21429660670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{400031}}^1$

素因数の和:400536

約数の個数: 32

約数和(自身を含む): 42166573056

約数和(自身を除く): 20736912386

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 487, 974, 2435, 4870, 5357, 10714, 26785, 53570, 400031, 800062, 2000155, 4000310, 4400341, 8800682, 22001705, 44003410, 194815097, 389630194, 974075485, 1948150970, 2142966067, 4285932134, 10714830335, 21429660670]

約数ペア:

[(1, 21429660670), (2, 10714830335), (5, 4285932134), (10, 2142966067), (11, 1948150970), (22, 974075485), (55, 389630194), (110, 194815097), (487, 44003410), (974, 22001705), (2435, 8800682), (4870, 4400341), (5357, 4000310), (10714, 2000155), (26785, 800062), (53570, 400031)]