21577996856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{207480739}}^1$

素因数の和:207480758

約数の個数: 16

約数和(自身を含む): 43570955400

約数和(自身を除く): 21992958544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 207480739, 414961478, 829922956, 1659845912, 2697249607, 5394499214, 10788998428, 21577996856]

約数ペア:

[(1, 21577996856), (2, 10788998428), (4, 5394499214), (8, 2697249607), (13, 1659845912), (26, 829922956), (52, 414961478), (104, 207480739)]