21014712575

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{2801}}^1\times {\mathrm{4111}}^1$

素因数の和:6995

約数の個数: 24

約数和(自身を含む): 26431064256

約数和(自身を除く): 5416351681

約数列:

[1, 5, 25, 73, 365, 1825, 2801, 4111, 14005, 20555, 70025, 102775, 204473, 300103, 1022365, 1500515, 5111825, 7502575, 11514911, 57574555, 287872775, 840588503, 4202942515, 21014712575]

約数ペア:

[(1, 21014712575), (5, 4202942515), (25, 840588503), (73, 287872775), (365, 57574555), (1825, 11514911), (2801, 7502575), (4111, 5111825), (14005, 1500515), (20555, 1022365), (70025, 300103), (102775, 204473)]