21073944

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5387}}^1$

素因数の和:5559

約数の個数: 32

約数和(自身を含む): 53017920

約数和(自身を除く): 31943976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5387, 10774, 16161, 21548, 32322, 43096, 64644, 129288, 878081, 1756162, 2634243, 3512324, 5268486, 7024648, 10536972, 21073944]

約数ペア:

[(1, 21073944), (2, 10536972), (3, 7024648), (4, 5268486), (6, 3512324), (8, 2634243), (12, 1756162), (24, 878081), (163, 129288), (326, 64644), (489, 43096), (652, 32322), (978, 21548), (1304, 16161), (1956, 10774), (3912, 5387)]