21492776

素因数分解:

$2^3\times {\mathrm{43}}^2\times {\mathrm{1453}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 41286330

約数和(自身を除く): 19793554

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1453, 1849, 2906, 3698, 5812, 7396, 11624, 14792, 62479, 124958, 249916, 499832, 2686597, 5373194, 10746388, 21492776]

約数ペア:

[(1, 21492776), (2, 10746388), (4, 5373194), (8, 2686597), (43, 499832), (86, 249916), (172, 124958), (344, 62479), (1453, 14792), (1849, 11624), (2906, 7396), (3698, 5812)]