16071321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 10286439

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 857, 893, 987, 2571, 2679, 5999, 6251, 16283, 17997, 18753, 40279, 48849, 113981, 120837, 281953, 341943, 765301, 845859, 2295903, 5357107, 16071321]

約数ペア:

[(1, 16071321), (3, 5357107), (7, 2295903), (19, 845859), (21, 765301), (47, 341943), (57, 281953), (133, 120837), (141, 113981), (329, 48849), (399, 40279), (857, 18753), (893, 17997), (987, 16283), (2571, 6251), (2679, 5999)]