21482305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19441}}^1$

素因数の和:19476

約数の個数: 16

約数和(自身を含む): 29396304

約数和(自身を除く): 7913999

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19441, 97205, 252733, 330497, 1263665, 1652485, 4296461, 21482305]

約数ペア:

[(1, 21482305), (5, 4296461), (13, 1652485), (17, 1263665), (65, 330497), (85, 252733), (221, 97205), (1105, 19441)]