21170072

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34367}}^1$

素因数の和:34391

約数の個数: 32

約数和(自身を含む): 49489920

約数和(自身を除く): 28319848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34367, 68734, 137468, 240569, 274936, 378037, 481138, 756074, 962276, 1512148, 1924552, 2646259, 3024296, 5292518, 10585036, 21170072]

約数ペア:

[(1, 21170072), (2, 10585036), (4, 5292518), (7, 3024296), (8, 2646259), (11, 1924552), (14, 1512148), (22, 962276), (28, 756074), (44, 481138), (56, 378037), (77, 274936), (88, 240569), (154, 137468), (308, 68734), (616, 34367)]