21309065

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 26284800

約数和(自身を除く): 4975735

約数列:

[1, 5, 73, 79, 365, 395, 739, 3695, 5767, 28835, 53947, 58381, 269735, 291905, 4261813, 21309065]

約数ペア:

[(1, 21309065), (5, 4261813), (73, 291905), (79, 269735), (365, 58381), (395, 53947), (739, 28835), (3695, 5767)]