21063884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1009}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 39196080

約数和(自身を除く): 18132196

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 1009, 1228, 2018, 4036, 5219, 10438, 17153, 20876, 34306, 68612, 309763, 619526, 1239052, 5265971, 10531942, 21063884]

約数ペア:

[(1, 21063884), (2, 10531942), (4, 5265971), (17, 1239052), (34, 619526), (68, 309763), (307, 68612), (614, 34306), (1009, 20876), (1228, 17153), (2018, 10438), (4036, 5219)]