21975544

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{28319}}^1$

素因数の和:28422

約数の個数: 16

約数和(自身を含む): 41630400

約数和(自身を除く): 19654856

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 28319, 56638, 113276, 226552, 2746943, 5493886, 10987772, 21975544]

約数ペア:

[(1, 21975544), (2, 10987772), (4, 5493886), (8, 2746943), (97, 226552), (194, 113276), (388, 56638), (776, 28319)]