16721888

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{3989}}^1$

素因数の和:4130

約数の個数: 24

約数和(自身を含む): 33180840

約数和(自身を除く): 16458952

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 3989, 4192, 7978, 15956, 31912, 63824, 127648, 522559, 1045118, 2090236, 4180472, 8360944, 16721888]

約数ペア:

[(1, 16721888), (2, 8360944), (4, 4180472), (8, 2090236), (16, 1045118), (32, 522559), (131, 127648), (262, 63824), (524, 31912), (1048, 15956), (2096, 7978), (3989, 4192)]