21130052

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14633}}^1$

素因数の和:14675

約数の個数: 18

約数和(自身を含む): 39028878

約数和(自身を除く): 17898826

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14633, 29266, 58532, 278027, 556054, 1112108, 5282513, 10565026, 21130052]

約数ペア:

[(1, 21130052), (2, 10565026), (4, 5282513), (19, 1112108), (38, 556054), (76, 278027), (361, 58532), (722, 29266), (1444, 14633)]