21167888

素因数分解:

$2^4\times 7^1\times {\mathrm{188999}}^1$

素因数の和:189014

約数の個数: 20

約数和(自身を含む): 46872000

約数和(自身を除く): 25704112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188999, 377998, 755996, 1322993, 1511992, 2645986, 3023984, 5291972, 10583944, 21167888]

約数ペア:

[(1, 21167888), (2, 10583944), (4, 5291972), (7, 3023984), (8, 2645986), (14, 1511992), (16, 1322993), (28, 755996), (56, 377998), (112, 188999)]