21910446

素因数分解:

$2^1\times 3^3\times {\mathrm{405749}}^1$

素因数の和:405760

約数の個数: 16

約数和(自身を含む): 48690000

約数和(自身を除く): 26779554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405749, 811498, 1217247, 2434494, 3651741, 7303482, 10955223, 21910446]

約数ペア:

[(1, 21910446), (2, 10955223), (3, 7303482), (6, 3651741), (9, 2434494), (18, 1217247), (27, 811498), (54, 405749)]