21000478562

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18072701}}^1$

素因数の和:18072793

約数の個数: 16

約数和(自身を含む): 36434567232

約数和(自身を除く): 15434088670

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18072701, 36145402, 126508907, 253017814, 1500034183, 3000068366, 10500239281, 21000478562]

約数ペア:

[(1, 21000478562), (2, 10500239281), (7, 3000068366), (14, 1500034183), (83, 253017814), (166, 126508907), (581, 36145402), (1162, 18072701)]