21636752

素因数分解:

$2^4\times {\mathrm{761}}^1\times {\mathrm{1777}}^1$

素因数の和:2546

約数の個数: 20

約数和(自身を含む): 41999916

約数和(自身を除く): 20363164

約数列:

[1, 2, 4, 8, 16, 761, 1522, 1777, 3044, 3554, 6088, 7108, 12176, 14216, 28432, 1352297, 2704594, 5409188, 10818376, 21636752]

約数ペア:

[(1, 21636752), (2, 10818376), (4, 5409188), (8, 2704594), (16, 1352297), (761, 28432), (1522, 14216), (1777, 12176), (3044, 7108), (3554, 6088)]