21282856

素因数分解:

$2^3\times 7^2\times {\mathrm{54293}}^1$

素因数の和:54313

約数の個数: 24

約数和(自身を含む): 46421370

約数和(自身を除く): 25138514

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54293, 108586, 217172, 380051, 434344, 760102, 1520204, 2660357, 3040408, 5320714, 10641428, 21282856]

約数ペア:

[(1, 21282856), (2, 10641428), (4, 5320714), (7, 3040408), (8, 2660357), (14, 1520204), (28, 760102), (49, 434344), (56, 380051), (98, 217172), (196, 108586), (392, 54293)]