21783410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198031}}^1$

素因数の和:198049

約数の個数: 16

約数和(自身を含む): 42774912

約数和(自身を除く): 20991502

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198031, 396062, 990155, 1980310, 2178341, 4356682, 10891705, 21783410]

約数ペア:

[(1, 21783410), (2, 10891705), (5, 4356682), (10, 2178341), (11, 1980310), (22, 990155), (55, 396062), (110, 198031)]