21155754

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85999}}^1$

素因数の和:86045

約数の個数: 16

約数和(自身を含む): 43344000

約数和(自身を除く): 22188246

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85999, 171998, 257997, 515994, 3525959, 7051918, 10577877, 21155754]

約数ペア:

[(1, 21155754), (2, 10577877), (3, 7051918), (6, 3525959), (41, 515994), (82, 257997), (123, 171998), (246, 85999)]