21668049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4517}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 34535592

約数和(自身を除く): 12867543

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4517, 4797, 13551, 40653, 58721, 176163, 185197, 528489, 555591, 1666773, 2407561, 7222683, 21668049]

約数ペア:

[(1, 21668049), (3, 7222683), (9, 2407561), (13, 1666773), (39, 555591), (41, 528489), (117, 185197), (123, 176163), (369, 58721), (533, 40653), (1599, 13551), (4517, 4797)]