21042769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2748

約数の個数: 16

約数和(自身を含む): 24735744

約数和(自身を除く): 3692975

約数列:

[1, 11, 23, 31, 253, 341, 713, 2683, 7843, 29513, 61709, 83173, 678799, 914903, 1912979, 21042769]

約数ペア:

[(1, 21042769), (11, 1912979), (23, 914903), (31, 678799), (253, 83173), (341, 61709), (713, 29513), (2683, 7843)]