21000304797

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{5077}}^1$

素因数の和:5753

約数の個数: 32

約数和(自身を含む): 29327278080

約数和(自身を除く): 8326973283

約数列:

[1, 3, 31, 79, 93, 237, 563, 1689, 2449, 5077, 7347, 15231, 17453, 44477, 52359, 133431, 157387, 401083, 472161, 1203249, 1378787, 2858351, 4136361, 8575053, 12433573, 37300719, 88608881, 225809729, 265826643, 677429187, 7000101599, 21000304797]

約数ペア:

[(1, 21000304797), (3, 7000101599), (31, 677429187), (79, 265826643), (93, 225809729), (237, 88608881), (563, 37300719), (1689, 12433573), (2449, 8575053), (5077, 4136361), (7347, 2858351), (15231, 1378787), (17453, 1203249), (44477, 472161), (52359, 401083), (133431, 157387)]