21288794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2137}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 33942888

約数和(自身を除く): 12654094

約数列:

[1, 2, 17, 34, 293, 586, 2137, 4274, 4981, 9962, 36329, 72658, 626141, 1252282, 10644397, 21288794]

約数ペア:

[(1, 21288794), (2, 10644397), (17, 1252282), (34, 626141), (293, 72658), (586, 36329), (2137, 9962), (4274, 4981)]