21457876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28687}}^1$

素因数の和:28719

約数の個数: 24

約数和(自身を含む): 43376256

約数和(自身を除く): 21918380

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28687, 57374, 114748, 315557, 487679, 631114, 975358, 1262228, 1950716, 5364469, 10728938, 21457876]

約数ペア:

[(1, 21457876), (2, 10728938), (4, 5364469), (11, 1950716), (17, 1262228), (22, 975358), (34, 631114), (44, 487679), (68, 315557), (187, 114748), (374, 57374), (748, 28687)]