21639861

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2111}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 33606144

約数和(自身を除く): 11966283

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 603, 1139, 2111, 3417, 6333, 10251, 18999, 35887, 107661, 141437, 322983, 424311, 1272933, 2404429, 7213287, 21639861]

約数ペア:

[(1, 21639861), (3, 7213287), (9, 2404429), (17, 1272933), (51, 424311), (67, 322983), (153, 141437), (201, 107661), (603, 35887), (1139, 18999), (2111, 10251), (3417, 6333)]