21000886174

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{2203}}^1\times {\mathrm{11059}}^1$

素因数の和:13695

約数の個数: 16

約数和(自身を含む): 31591607040

約数和(自身を除く): 10590720866

約数列:

[1, 2, 431, 862, 2203, 4406, 11059, 22118, 949493, 1898986, 4766429, 9532858, 24362977, 48725954, 10500443087, 21000886174]

約数ペア:

[(1, 21000886174), (2, 10500443087), (431, 48725954), (862, 24362977), (2203, 9532858), (4406, 4766429), (11059, 1898986), (22118, 949493)]