21730562

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18701}}^1$

素因数の和:18793

約数の個数: 16

約数和(自身を含む): 37703232

約数和(自身を除く): 15972670

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18701, 37402, 130907, 261814, 1552183, 3104366, 10865281, 21730562]

約数ペア:

[(1, 21730562), (2, 10865281), (7, 3104366), (14, 1552183), (83, 261814), (166, 130907), (581, 37402), (1162, 18701)]