21563248

素因数分解:

$2^4\times 7^1\times {\mathrm{192529}}^1$

素因数の和:192544

約数の個数: 20

約数和(自身を含む): 47747440

約数和(自身を除く): 26184192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192529, 385058, 770116, 1347703, 1540232, 2695406, 3080464, 5390812, 10781624, 21563248]

約数ペア:

[(1, 21563248), (2, 10781624), (4, 5390812), (7, 3080464), (8, 2695406), (14, 1540232), (16, 1347703), (28, 770116), (56, 385058), (112, 192529)]