21739774

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21871}}^1$

素因数の和:21951

約数の個数: 16

約数和(自身を含む): 37794816

約数和(自身を除く): 16055042

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21871, 43742, 153097, 306194, 1552841, 3105682, 10869887, 21739774]

約数ペア:

[(1, 21739774), (2, 10869887), (7, 3105682), (14, 1552841), (71, 306194), (142, 153097), (497, 43742), (994, 21871)]