21588881

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 1828975

約数列:

[1, 23, 43, 83, 263, 989, 1909, 3569, 6049, 11309, 21829, 82087, 260107, 502067, 938647, 21588881]

約数ペア:

[(1, 21588881), (23, 938647), (43, 502067), (83, 260107), (263, 82087), (989, 21829), (1909, 11309), (3569, 6049)]