21169226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4133}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 34378344

約数和(自身を除く): 13209118

約数列:

[1, 2, 13, 26, 197, 394, 2561, 4133, 5122, 8266, 53729, 107458, 814201, 1628402, 10584613, 21169226]

約数ペア:

[(1, 21169226), (2, 10584613), (13, 1628402), (26, 814201), (197, 107458), (394, 53729), (2561, 8266), (4133, 5122)]