21910106872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161103727}}^1$

素因数の和:161103750

約数の個数: 16

約数和(自身を含む): 43498006560

約数和(自身を除く): 21587899688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161103727, 322207454, 644414908, 1288829816, 2738763359, 5477526718, 10955053436, 21910106872]

約数ペア:

[(1, 21910106872), (2, 10955053436), (4, 5477526718), (8, 2738763359), (17, 1288829816), (34, 644414908), (68, 322207454), (136, 161103727)]