21239344

素因数分解:

$2^4\times 7^2\times {\mathrm{27091}}^1$

素因数の和:27113

約数の個数: 30

約数和(自身を含む): 47871564

約数和(自身を除く): 26632220

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27091, 54182, 108364, 189637, 216728, 379274, 433456, 758548, 1327459, 1517096, 2654918, 3034192, 5309836, 10619672, 21239344]

約数ペア:

[(1, 21239344), (2, 10619672), (4, 5309836), (7, 3034192), (8, 2654918), (14, 1517096), (16, 1327459), (28, 758548), (49, 433456), (56, 379274), (98, 216728), (112, 189637), (196, 108364), (392, 54182), (784, 27091)]