21167131408

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6854641}}^1$

素因数の和:6854842

約数の個数: 20

約数和(自身を含む): 41223816988

約数和(自身を除く): 20056685580

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6854641, 13709282, 27418564, 54837128, 109674256, 1322945713, 2645891426, 5291782852, 10583565704, 21167131408]

約数ペア:

[(1, 21167131408), (2, 10583565704), (4, 5291782852), (8, 2645891426), (16, 1322945713), (193, 109674256), (386, 54837128), (772, 27418564), (1544, 13709282), (3088, 6854641)]