21068372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23833}}^1$

素因数の和:23867

約数の個数: 24

約数和(自身を含む): 42043176

約数和(自身を除く): 20974804

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23833, 47666, 95332, 309829, 405161, 619658, 810322, 1239316, 1620644, 5267093, 10534186, 21068372]

約数ペア:

[(1, 21068372), (2, 10534186), (4, 5267093), (13, 1620644), (17, 1239316), (26, 810322), (34, 619658), (52, 405161), (68, 309829), (221, 95332), (442, 47666), (884, 23833)]