21774518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4111

約数の個数: 16

約数和(自身を含む): 34804080

約数和(自身を除く): 13029562

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3929, 5542, 7858, 66793, 133586, 640427, 1280854, 10887259, 21774518]

約数ペア:

[(1, 21774518), (2, 10887259), (17, 1280854), (34, 640427), (163, 133586), (326, 66793), (2771, 7858), (3929, 5542)]