21300806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8737}}^1$

素因数の和:8815

約数の個数: 16

約数和(自身を含む): 33973344

約数和(自身を除く): 12672538

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8737, 17474, 200951, 401902, 463061, 926122, 10650403, 21300806]

約数ペア:

[(1, 21300806), (2, 10650403), (23, 926122), (46, 463061), (53, 401902), (106, 200951), (1219, 17474), (2438, 8737)]