21530103

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17377}}^1$

素因数の和:17446

約数の個数: 16

約数和(自身を含む): 33365760

約数和(自身を除く): 11835657

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17377, 52131, 121639, 364917, 1025243, 3075729, 7176701, 21530103]

約数ペア:

[(1, 21530103), (3, 7176701), (7, 3075729), (21, 1025243), (59, 364917), (177, 121639), (413, 52131), (1239, 17377)]