21574887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3331}}^1$

素因数の和:3478

約数の個数: 16

約数和(自身を含む): 30707712

約数和(自身を除く): 9132825

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3331, 6477, 9993, 56627, 169881, 423037, 1269111, 7191629, 21574887]

約数ペア:

[(1, 21574887), (3, 7191629), (17, 1269111), (51, 423037), (127, 169881), (381, 56627), (2159, 9993), (3331, 6477)]