21031923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{947}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 30669696

約数和(自身を除く): 9637773

約数列:

[1, 3, 11, 33, 673, 947, 2019, 2841, 7403, 10417, 22209, 31251, 637331, 1911993, 7010641, 21031923]

約数ペア:

[(1, 21031923), (3, 7010641), (11, 1911993), (33, 637331), (673, 31251), (947, 22209), (2019, 10417), (2841, 7403)]