21797888

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3068

約数の個数: 44

約数和(自身を含む): 49815792

約数和(自身を除く): 28017904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3041, 3584, 6082, 7168, 12164, 21287, 24328, 42574, 48656, 85148, 97312, 170296, 194624, 340592, 389248, 681184, 778496, 1362368, 1556992, 2724736, 3113984, 5449472, 10898944, 21797888]

約数ペア:

[(1, 21797888), (2, 10898944), (4, 5449472), (7, 3113984), (8, 2724736), (14, 1556992), (16, 1362368), (28, 778496), (32, 681184), (56, 389248), (64, 340592), (112, 194624), (128, 170296), (224, 97312), (256, 85148), (448, 48656), (512, 42574), (896, 24328), (1024, 21287), (1792, 12164), (3041, 7168), (3584, 6082)]