21902004

素因数分解:

$2^2\times 3^2\times {\mathrm{608389}}^1$

素因数の和:608399

約数の個数: 18

約数和(自身を含む): 55363490

約数和(自身を除く): 33461486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608389, 1216778, 1825167, 2433556, 3650334, 5475501, 7300668, 10951002, 21902004]

約数ペア:

[(1, 21902004), (2, 10951002), (3, 7300668), (4, 5475501), (6, 3650334), (9, 2433556), (12, 1825167), (18, 1216778), (36, 608389)]