421423876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{5431}}^1$

素因数の和:6475

約数の個数: 24

約数和(自身を含む): 777210560

約数和(自身を除く): 355786684

約数列:

[1, 2, 4, 19, 38, 76, 1021, 2042, 4084, 5431, 10862, 19399, 21724, 38798, 77596, 103189, 206378, 412756, 5545051, 11090102, 22180204, 105355969, 210711938, 421423876]

約数ペア:

[(1, 421423876), (2, 210711938), (4, 105355969), (19, 22180204), (38, 11090102), (76, 5545051), (1021, 412756), (2042, 206378), (4084, 103189), (5431, 77596), (10862, 38798), (19399, 21724)]