21258394

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 33923232

約数和(自身を除く): 12664838

約数列:

[1, 2, 23, 46, 71, 142, 283, 529, 566, 1058, 1633, 3266, 6509, 13018, 20093, 37559, 40186, 75118, 149707, 299414, 462139, 924278, 10629197, 21258394]

約数ペア:

[(1, 21258394), (2, 10629197), (23, 924278), (46, 462139), (71, 299414), (142, 149707), (283, 75118), (529, 40186), (566, 37559), (1058, 20093), (1633, 13018), (3266, 6509)]