21491582073

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1\times {\mathrm{16921}}^1$

素因数の和:18089

約数の個数: 32

約数和(自身を含む): 31954151040

約数和(自身を除く): 10462568967

約数列:

[1, 3, 13, 29, 39, 87, 377, 1123, 1131, 3369, 14599, 16921, 32567, 43797, 50763, 97701, 219973, 423371, 490709, 659919, 1270113, 1472127, 6379217, 19002283, 19137651, 57006849, 247029679, 551066207, 741089037, 1653198621, 7163860691, 21491582073]

約数ペア:

[(1, 21491582073), (3, 7163860691), (13, 1653198621), (29, 741089037), (39, 551066207), (87, 247029679), (377, 57006849), (1123, 19137651), (1131, 19002283), (3369, 6379217), (14599, 1472127), (16921, 1270113), (32567, 659919), (43797, 490709), (50763, 423371), (97701, 219973)]