21833756

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 36

約数和(自身を含む): 44742768

約数和(自身を除く): 22909012

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 353, 658, 706, 1316, 1412, 2209, 2471, 4418, 4942, 8836, 9884, 15463, 16591, 30926, 33182, 61852, 66364, 116137, 232274, 464548, 779777, 1559554, 3119108, 5458439, 10916878, 21833756]

約数ペア:

[(1, 21833756), (2, 10916878), (4, 5458439), (7, 3119108), (14, 1559554), (28, 779777), (47, 464548), (94, 232274), (188, 116137), (329, 66364), (353, 61852), (658, 33182), (706, 30926), (1316, 16591), (1412, 15463), (2209, 9884), (2471, 8836), (4418, 4942)]