21272372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28439}}^1$

素因数の和:28471

約数の個数: 24

約数和(自身を含む): 43001280

約数和(自身を除く): 21728908

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28439, 56878, 113756, 312829, 483463, 625658, 966926, 1251316, 1933852, 5318093, 10636186, 21272372]

約数ペア:

[(1, 21272372), (2, 10636186), (4, 5318093), (11, 1933852), (17, 1251316), (22, 966926), (34, 625658), (44, 483463), (68, 312829), (187, 113756), (374, 56878), (748, 28439)]