21104326

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2161}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 33467760

約数和(自身を除く): 12363434

約数列:

[1, 2, 19, 38, 257, 514, 2161, 4322, 4883, 9766, 41059, 82118, 555377, 1110754, 10552163, 21104326]

約数ペア:

[(1, 21104326), (2, 10552163), (19, 1110754), (38, 555377), (257, 82118), (514, 41059), (2161, 9766), (4322, 4883)]