21155888918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1\times {\mathrm{294757}}^1$

素因数の和:296887

約数の個数: 16

約数和(自身を含む): 33616560384

約数和(自身を除く): 12460671466

約数列:

[1, 2, 17, 34, 2111, 4222, 35887, 71774, 294757, 589514, 5010869, 10021738, 622232027, 1244464054, 10577944459, 21155888918]

約数ペア:

[(1, 21155888918), (2, 10577944459), (17, 1244464054), (34, 622232027), (2111, 10021738), (4222, 5010869), (35887, 589514), (71774, 294757)]