21842504

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66593}}^1$

素因数の和:66640

約数の個数: 16

約数和(自身を含む): 41954220

約数和(自身を除く): 20111716

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66593, 133186, 266372, 532744, 2730313, 5460626, 10921252, 21842504]

約数ペア:

[(1, 21842504), (2, 10921252), (4, 5460626), (8, 2730313), (41, 532744), (82, 266372), (164, 133186), (328, 66593)]