21354612

素因数分解:

$2^2\times 3^1\times {\mathrm{349}}^1\times {\mathrm{5099}}^1$

素因数の和:5455

約数の個数: 24

約数和(自身を含む): 49980000

約数和(自身を除く): 28625388

約数列:

[1, 2, 3, 4, 6, 12, 349, 698, 1047, 1396, 2094, 4188, 5099, 10198, 15297, 20396, 30594, 61188, 1779551, 3559102, 5338653, 7118204, 10677306, 21354612]

約数ペア:

[(1, 21354612), (2, 10677306), (3, 7118204), (4, 5338653), (6, 3559102), (12, 1779551), (349, 61188), (698, 30594), (1047, 20396), (1396, 15297), (2094, 10198), (4188, 5099)]