21968716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71327}}^1$

素因数の和:71349

約数の個数: 24

約数和(自身を含む): 47932416

約数和(自身を除く): 25963700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 71327, 142654, 285308, 499289, 784597, 998578, 1569194, 1997156, 3138388, 5492179, 10984358, 21968716]

約数ペア:

[(1, 21968716), (2, 10984358), (4, 5492179), (7, 3138388), (11, 1997156), (14, 1569194), (22, 998578), (28, 784597), (44, 499289), (77, 285308), (154, 142654), (308, 71327)]