21430585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10531}}^1$

素因数の和:10584

約数の個数: 16

約数和(自身を含む): 28815552

約数和(自身を除く): 7384967

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10531, 52655, 115841, 389647, 579205, 1948235, 4286117, 21430585]

約数ペア:

[(1, 21430585), (5, 4286117), (11, 1948235), (37, 579205), (55, 389647), (185, 115841), (407, 52655), (2035, 10531)]