21878234

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 39761280

約数和(自身を除く): 17883046

約数列:

[1, 2, 7, 14, 19, 38, 133, 233, 266, 353, 466, 706, 1631, 2471, 3262, 4427, 4942, 6707, 8854, 13414, 30989, 46949, 61978, 82249, 93898, 164498, 575743, 1151486, 1562731, 3125462, 10939117, 21878234]

約数ペア:

[(1, 21878234), (2, 10939117), (7, 3125462), (14, 1562731), (19, 1151486), (38, 575743), (133, 164498), (233, 93898), (266, 82249), (353, 61978), (466, 46949), (706, 30989), (1631, 13414), (2471, 8854), (3262, 6707), (4427, 4942)]