21983954

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2111}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 12078382

約数列:

[1, 2, 41, 82, 127, 254, 2111, 4222, 5207, 10414, 86551, 173102, 268097, 536194, 10991977, 21983954]

約数ペア:

[(1, 21983954), (2, 10991977), (41, 536194), (82, 268097), (127, 173102), (254, 86551), (2111, 10414), (4222, 5207)]