21331053

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 34073600

約数和(自身を除く): 12742547

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 967, 1161, 2451, 2901, 7353, 8703, 18373, 22059, 26109, 41581, 55119, 124743, 165357, 374229, 496071, 790039, 1122687, 2370117, 7110351, 21331053]

約数ペア:

[(1, 21331053), (3, 7110351), (9, 2370117), (19, 1122687), (27, 790039), (43, 496071), (57, 374229), (129, 165357), (171, 124743), (387, 55119), (513, 41581), (817, 26109), (967, 22059), (1161, 18373), (2451, 8703), (2901, 7353)]