21613726

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 11333474

約数列:

[1, 2, 103, 206, 239, 439, 478, 878, 24617, 45217, 49234, 90434, 104921, 209842, 10806863, 21613726]

約数ペア:

[(1, 21613726), (2, 10806863), (103, 209842), (206, 104921), (239, 90434), (439, 49234), (478, 45217), (878, 24617)]