21721992

素因数分解:

$2^3\times 3^1\times {\mathrm{905083}}^1$

素因数の和:905092

約数の個数: 16

約数和(自身を含む): 54305040

約数和(自身を除く): 32583048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 905083, 1810166, 2715249, 3620332, 5430498, 7240664, 10860996, 21721992]

約数ペア:

[(1, 21721992), (2, 10860996), (3, 7240664), (4, 5430498), (6, 3620332), (8, 2715249), (12, 1810166), (24, 905083)]