21127173657

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{765727}}^1$

素因数の和:766288

約数の個数: 16

約数和(自身を含む): 29881769472

約数和(自身を除く): 8754595815

約数列:

[1, 3, 17, 51, 541, 1623, 9197, 27591, 765727, 2297181, 13017359, 39052077, 414258307, 1242774921, 7042391219, 21127173657]

約数ペア:

[(1, 21127173657), (3, 7042391219), (17, 1242774921), (51, 414258307), (541, 39052077), (1623, 13017359), (9197, 2297181), (27591, 765727)]