21570434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 34982640

約数和(自身を除く): 13412206

約数列:

[1, 2, 19, 38, 43, 86, 307, 614, 817, 1634, 1849, 3698, 5833, 11666, 13201, 26402, 35131, 70262, 250819, 501638, 567643, 1135286, 10785217, 21570434]

約数ペア:

[(1, 21570434), (2, 10785217), (19, 1135286), (38, 567643), (43, 501638), (86, 250819), (307, 70262), (614, 35131), (817, 26402), (1634, 13201), (1849, 11666), (3698, 5833)]