21287662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18257}}^1$

素因数の和:18323

約数の個数: 16

約数和(自身を含む): 35493552

約数和(自身を除く): 14205890

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18257, 36514, 200827, 401654, 967621, 1935242, 10643831, 21287662]

約数ペア:

[(1, 21287662), (2, 10643831), (11, 1935242), (22, 967621), (53, 401654), (106, 200827), (583, 36514), (1166, 18257)]