21837424

素因数分解:

$2^4\times 7^1\times {\mathrm{194977}}^1$

素因数の和:194992

約数の個数: 20

約数和(自身を含む): 48354544

約数和(自身を除く): 26517120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194977, 389954, 779908, 1364839, 1559816, 2729678, 3119632, 5459356, 10918712, 21837424]

約数ペア:

[(1, 21837424), (2, 10918712), (4, 5459356), (7, 3119632), (8, 2729678), (14, 1559816), (16, 1364839), (28, 779908), (56, 389954), (112, 194977)]