21038061

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37501}}^1$

素因数の和:37532

約数の個数: 16

約数和(自身を含む): 32401728

約数和(自身を除く): 11363667

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37501, 112503, 412511, 637517, 1237533, 1912551, 7012687, 21038061]

約数ペア:

[(1, 21038061), (3, 7012687), (11, 1912551), (17, 1237533), (33, 637517), (51, 412511), (187, 112503), (561, 37501)]