21336536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1063}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 43347360

約数和(自身を除く): 22010824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 1063, 1544, 2126, 2509, 4252, 5018, 8504, 10036, 13819, 20072, 27638, 55276, 110552, 205159, 410318, 820636, 1641272, 2667067, 5334134, 10668268, 21336536]

約数ペア:

[(1, 21336536), (2, 10668268), (4, 5334134), (8, 2667067), (13, 1641272), (26, 820636), (52, 410318), (104, 205159), (193, 110552), (386, 55276), (772, 27638), (1063, 20072), (1544, 13819), (2126, 10036), (2509, 8504), (4252, 5018)]