21484244

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 39349800

約数和(自身を除く): 17865556

約数列:

[1, 2, 4, 29, 58, 89, 116, 178, 356, 2081, 2581, 4162, 5162, 8324, 10324, 60349, 120698, 185209, 241396, 370418, 740836, 5371061, 10742122, 21484244]

約数ペア:

[(1, 21484244), (2, 10742122), (4, 5371061), (29, 740836), (58, 370418), (89, 241396), (116, 185209), (178, 120698), (356, 60349), (2081, 10324), (2581, 8324), (4162, 5162)]