21368244

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61403}}^1$

素因数の和:61439

約数の個数: 24

約数和(自身を含む): 51579360

約数和(自身を除く): 30211116

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61403, 122806, 184209, 245612, 368418, 736836, 1780687, 3561374, 5342061, 7122748, 10684122, 21368244]

約数ペア:

[(1, 21368244), (2, 10684122), (3, 7122748), (4, 5342061), (6, 3561374), (12, 1780687), (29, 736836), (58, 368418), (87, 245612), (116, 184209), (174, 122806), (348, 61403)]