21336444

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1217}}^1$

素因数の和:1714

約数の個数: 36

約数和(自身を含む): 54088944

約数和(自身を除く): 32752500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1217, 1461, 1948, 2434, 2922, 3651, 4383, 4868, 5844, 7302, 8766, 10953, 14604, 17532, 21906, 43812, 592679, 1185358, 1778037, 2370716, 3556074, 5334111, 7112148, 10668222, 21336444]

約数ペア:

[(1, 21336444), (2, 10668222), (3, 7112148), (4, 5334111), (6, 3556074), (9, 2370716), (12, 1778037), (18, 1185358), (36, 592679), (487, 43812), (974, 21906), (1217, 17532), (1461, 14604), (1948, 10953), (2434, 8766), (2922, 7302), (3651, 5844), (4383, 4868)]