21788004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259381}}^1$

素因数の和:259395

約数の個数: 24

約数和(自身を含む): 58101568

約数和(自身を除く): 36313564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259381, 518762, 778143, 1037524, 1556286, 1815667, 3112572, 3631334, 5447001, 7262668, 10894002, 21788004]

約数ペア:

[(1, 21788004), (2, 10894002), (3, 7262668), (4, 5447001), (6, 3631334), (7, 3112572), (12, 1815667), (14, 1556286), (21, 1037524), (28, 778143), (42, 518762), (84, 259381)]