21439105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4547}}^1$

素因数の和:4616

約数の個数: 16

約数和(自身を含む): 27506304

約数和(自身を除く): 6067199

約数列:

[1, 5, 23, 41, 115, 205, 943, 4547, 4715, 22735, 104581, 186427, 522905, 932135, 4287821, 21439105]

約数ペア:

[(1, 21439105), (5, 4287821), (23, 932135), (41, 522905), (115, 186427), (205, 104581), (943, 22735), (4547, 4715)]