21867503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2014

約数の個数: 16

約数和(自身を含む): 26459136

約数和(自身を除く): 4591633

約数列:

[1, 7, 23, 71, 161, 497, 1633, 1913, 11431, 13391, 43999, 135823, 307993, 950761, 3123929, 21867503]

約数ペア:

[(1, 21867503), (7, 3123929), (23, 950761), (71, 307993), (161, 135823), (497, 43999), (1633, 13391), (1913, 11431)]