21818288

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{2063}}^1$

素因数の和:2732

約数の個数: 20

約数和(自身を含む): 42357408

約数和(自身を除く): 20539120

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2063, 2644, 4126, 5288, 8252, 10576, 16504, 33008, 1363643, 2727286, 5454572, 10909144, 21818288]

約数ペア:

[(1, 21818288), (2, 10909144), (4, 5454572), (8, 2727286), (16, 1363643), (661, 33008), (1322, 16504), (2063, 10576), (2644, 8252), (4126, 5288)]