21197046081

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{195709}}^1$

素因数の和:196248

約数の個数: 16

約数和(自身を含む): 28683257600

約数和(自身を除く): 7486211519

約数列:

[1, 3, 79, 237, 457, 1371, 36103, 108309, 195709, 587127, 15461011, 46383033, 89439013, 268317039, 7065682027, 21197046081]

約数ペア:

[(1, 21197046081), (3, 7065682027), (79, 268317039), (237, 89439013), (457, 46383033), (1371, 15461011), (36103, 587127), (108309, 195709)]