21668014

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 33516000

約数和(自身を除く): 11847986

約数列:

[1, 2, 37, 74, 349, 698, 839, 1678, 12913, 25826, 31043, 62086, 292811, 585622, 10834007, 21668014]

約数ペア:

[(1, 21668014), (2, 10834007), (37, 585622), (74, 292811), (349, 62086), (698, 31043), (839, 25826), (1678, 12913)]