21996194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7345

約数の個数: 16

約数和(自身を含む): 36257760

約数和(自身を除く): 14261566

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7193, 14386, 79123, 158246, 999827, 1999654, 10998097, 21996194]

約数ペア:

[(1, 21996194), (2, 10998097), (11, 1999654), (22, 999827), (139, 158246), (278, 79123), (1529, 14386), (3058, 7193)]