21157104

素因数分解:

$2^4\times 3^1\times {\mathrm{440773}}^1$

素因数の和:440784

約数の個数: 20

約数和(自身を含む): 54655976

約数和(自身を除く): 33498872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440773, 881546, 1322319, 1763092, 2644638, 3526184, 5289276, 7052368, 10578552, 21157104]

約数ペア:

[(1, 21157104), (2, 10578552), (3, 7052368), (4, 5289276), (6, 3526184), (8, 2644638), (12, 1763092), (16, 1322319), (24, 881546), (48, 440773)]