210557956

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{73009}}^1$

素因数の和:73123

約数の個数: 24

約数和(自身を含む): 425210240

約数和(自身を除く): 214652284

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 73009, 146018, 292036, 511063, 1022126, 2044252, 7519927, 15039854, 30079708, 52639489, 105278978, 210557956]

約数ペア:

[(1, 210557956), (2, 105278978), (4, 52639489), (7, 30079708), (14, 15039854), (28, 7519927), (103, 2044252), (206, 1022126), (412, 511063), (721, 292036), (1442, 146018), (2884, 73009)]