21334120

素因数分解:

$2^3\times 5^1\times {\mathrm{533353}}^1$

素因数の和:533364

約数の個数: 16

約数和(自身を含む): 48001860

約数和(自身を除く): 26667740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 533353, 1066706, 2133412, 2666765, 4266824, 5333530, 10667060, 21334120]

約数ペア:

[(1, 21334120), (2, 10667060), (4, 5333530), (5, 4266824), (8, 2666765), (10, 2133412), (20, 1066706), (40, 533353)]