21507148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2143}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 40761728

約数和(自身を除く): 19254580

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2143, 2509, 4286, 5018, 8572, 10036, 27859, 55718, 111436, 413599, 827198, 1654396, 5376787, 10753574, 21507148]

約数ペア:

[(1, 21507148), (2, 10753574), (4, 5376787), (13, 1654396), (26, 827198), (52, 413599), (193, 111436), (386, 55718), (772, 27859), (2143, 10036), (2509, 8572), (4286, 5018)]