21816368

素因数分解:

$2^4\times 7^2\times {\mathrm{27827}}^1$

素因数の和:27849

約数の個数: 30

約数和(自身を含む): 49172076

約数和(自身を除く): 27355708

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27827, 55654, 111308, 194789, 222616, 389578, 445232, 779156, 1363523, 1558312, 2727046, 3116624, 5454092, 10908184, 21816368]

約数ペア:

[(1, 21816368), (2, 10908184), (4, 5454092), (7, 3116624), (8, 2727046), (14, 1558312), (16, 1363523), (28, 779156), (49, 445232), (56, 389578), (98, 222616), (112, 194789), (196, 111308), (392, 55654), (784, 27827)]