22989981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 37212160

約数和(自身を除く): 14222179

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 367, 399, 471, 1099, 1101, 2569, 2983, 3297, 6973, 7707, 8949, 20881, 20919, 48811, 57619, 62643, 146433, 172857, 403333, 1094761, 1209999, 3284283, 7663327, 22989981]

約数ペア:

[(1, 22989981), (3, 7663327), (7, 3284283), (19, 1209999), (21, 1094761), (57, 403333), (133, 172857), (157, 146433), (367, 62643), (399, 57619), (471, 48811), (1099, 20919), (1101, 20881), (2569, 8949), (2983, 7707), (3297, 6973)]