21330053

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 23373504

約数和(自身を除く): 2043451

約数列:

[1, 17, 61, 67, 307, 1037, 1139, 4087, 5219, 18727, 20569, 69479, 318359, 349673, 1254709, 21330053]

約数ペア:

[(1, 21330053), (17, 1254709), (61, 349673), (67, 318359), (307, 69479), (1037, 20569), (1139, 18727), (4087, 5219)]