21839104

素因数分解:

$2^8\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1771

約数の個数: 54

約数和(自身を含む): 50739234

約数和(自身を除く): 28900130

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1741, 1792, 3136, 3482, 6272, 6964, 12187, 12544, 13928, 24374, 27856, 48748, 55712, 85309, 97496, 111424, 170618, 194992, 222848, 341236, 389984, 445696, 682472, 779968, 1364944, 1559936, 2729888, 3119872, 5459776, 10919552, 21839104]

約数ペア:

[(1, 21839104), (2, 10919552), (4, 5459776), (7, 3119872), (8, 2729888), (14, 1559936), (16, 1364944), (28, 779968), (32, 682472), (49, 445696), (56, 389984), (64, 341236), (98, 222848), (112, 194992), (128, 170618), (196, 111424), (224, 97496), (256, 85309), (392, 55712), (448, 48748), (784, 27856), (896, 24374), (1568, 13928), (1741, 12544), (1792, 12187), (3136, 6964), (3482, 6272)]