215021968

素因数分解:

$2^4\times 7^1\times {\mathrm{1919839}}^1$

素因数の和:1919854

約数の個数: 20

約数和(自身を含む): 476120320

約数和(自身を除く): 261098352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1919839, 3839678, 7679356, 13438873, 15358712, 26877746, 30717424, 53755492, 107510984, 215021968]

約数ペア:

[(1, 215021968), (2, 107510984), (4, 53755492), (7, 30717424), (8, 26877746), (14, 15358712), (16, 13438873), (28, 7679356), (56, 3839678), (112, 1919839)]