21410516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4391}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 39844224

約数和(自身を除く): 18433708

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4391, 4876, 8782, 17564, 100993, 201986, 232723, 403972, 465446, 930892, 5352629, 10705258, 21410516]

約数ペア:

[(1, 21410516), (2, 10705258), (4, 5352629), (23, 930892), (46, 465446), (53, 403972), (92, 232723), (106, 201986), (212, 100993), (1219, 17564), (2438, 8782), (4391, 4876)]