21412555

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 4853045

約数列:

[1, 5, 79, 151, 359, 395, 755, 1795, 11929, 28361, 54209, 59645, 141805, 271045, 4282511, 21412555]

約数ペア:

[(1, 21412555), (5, 4282511), (79, 271045), (151, 141805), (359, 59645), (395, 54209), (755, 28361), (1795, 11929)]