21974756

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 17579164

約数列:

[1, 2, 4, 47, 94, 179, 188, 358, 653, 716, 1306, 2612, 8413, 16826, 30691, 33652, 61382, 116887, 122764, 233774, 467548, 5493689, 10987378, 21974756]

約数ペア:

[(1, 21974756), (2, 10987378), (4, 5493689), (47, 467548), (94, 233774), (179, 122764), (188, 116887), (358, 61382), (653, 33652), (716, 30691), (1306, 16826), (2612, 8413)]