21102471

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 13169529

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1019, 1593, 2301, 3057, 6903, 9171, 13247, 20709, 27513, 39741, 60121, 119223, 180363, 357669, 541089, 781573, 1623267, 2344719, 7034157, 21102471]

約数ペア:

[(1, 21102471), (3, 7034157), (9, 2344719), (13, 1623267), (27, 781573), (39, 541089), (59, 357669), (117, 180363), (177, 119223), (351, 60121), (531, 39741), (767, 27513), (1019, 20709), (1593, 13247), (2301, 9171), (3057, 6903)]