21227248

素因数分解:

$2^4\times 7^1\times {\mathrm{189529}}^1$

素因数の和:189544

約数の個数: 20

約数和(自身を含む): 47003440

約数和(自身を除く): 25776192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189529, 379058, 758116, 1326703, 1516232, 2653406, 3032464, 5306812, 10613624, 21227248]

約数ペア:

[(1, 21227248), (2, 10613624), (4, 5306812), (7, 3032464), (8, 2653406), (14, 1516232), (16, 1326703), (28, 758116), (56, 379058), (112, 189529)]