21241444

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18503}}^1$

素因数の和:18555

約数の個数: 24

約数和(自身を含む): 43521408

約数和(自身を除く): 22279964

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18503, 37006, 74012, 129521, 259042, 518084, 758623, 1517246, 3034492, 5310361, 10620722, 21241444]

約数ペア:

[(1, 21241444), (2, 10620722), (4, 5310361), (7, 3034492), (14, 1517246), (28, 758623), (41, 518084), (82, 259042), (164, 129521), (287, 74012), (574, 37006), (1148, 18503)]