21131086

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{1367}}^1$

素因数の和:1559

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11372594

約数列:

[1, 2, 59, 118, 131, 262, 1367, 2734, 7729, 15458, 80653, 161306, 179077, 358154, 10565543, 21131086]

約数ペア:

[(1, 21131086), (2, 10565543), (59, 358154), (118, 179077), (131, 161306), (262, 80653), (1367, 15458), (2734, 7729)]