21156288

素因数分解:

$2^6\times 3^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 56327040

約数和(自身を除く): 35170752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 251, 439, 502, 753, 878, 1004, 1317, 1506, 1756, 2008, 2634, 3012, 3512, 4016, 5268, 6024, 7024, 8032, 10536, 12048, 14048, 16064, 21072, 24096, 28096, 42144, 48192, 84288, 110189, 220378, 330567, 440756, 661134, 881512, 1322268, 1763024, 2644536, 3526048, 5289072, 7052096, 10578144, 21156288]

約数ペア:

[(1, 21156288), (2, 10578144), (3, 7052096), (4, 5289072), (6, 3526048), (8, 2644536), (12, 1763024), (16, 1322268), (24, 881512), (32, 661134), (48, 440756), (64, 330567), (96, 220378), (192, 110189), (251, 84288), (439, 48192), (502, 42144), (753, 28096), (878, 24096), (1004, 21072), (1317, 16064), (1506, 14048), (1756, 12048), (2008, 10536), (2634, 8032), (3012, 7024), (3512, 6024), (4016, 5268)]