21451296

素因数分解:

$2^5\times 3^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 35097504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 439, 509, 878, 1018, 1317, 1527, 1756, 2036, 2634, 3054, 3512, 4072, 5268, 6108, 7024, 8144, 10536, 12216, 14048, 16288, 21072, 24432, 42144, 48864, 223451, 446902, 670353, 893804, 1340706, 1787608, 2681412, 3575216, 5362824, 7150432, 10725648, 21451296]

約数ペア:

[(1, 21451296), (2, 10725648), (3, 7150432), (4, 5362824), (6, 3575216), (8, 2681412), (12, 1787608), (16, 1340706), (24, 893804), (32, 670353), (48, 446902), (96, 223451), (439, 48864), (509, 42144), (878, 24432), (1018, 21072), (1317, 16288), (1527, 14048), (1756, 12216), (2036, 10536), (2634, 8144), (3054, 7024), (3512, 6108), (4072, 5268)]