21839216

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{859}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 48627840

約数和(自身を除く): 26788624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 859, 908, 1589, 1718, 1816, 3178, 3436, 3632, 6013, 6356, 6872, 12026, 12712, 13744, 24052, 25424, 48104, 96208, 194993, 389986, 779972, 1364951, 1559944, 2729902, 3119888, 5459804, 10919608, 21839216]

約数ペア:

[(1, 21839216), (2, 10919608), (4, 5459804), (7, 3119888), (8, 2729902), (14, 1559944), (16, 1364951), (28, 779972), (56, 389986), (112, 194993), (227, 96208), (454, 48104), (859, 25424), (908, 24052), (1589, 13744), (1718, 12712), (1816, 12026), (3178, 6872), (3436, 6356), (3632, 6013)]