21084790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91673}}^1$

素因数の和:91703

約数の個数: 16

約数和(自身を含む): 39603168

約数和(自身を除く): 18518378

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91673, 183346, 458365, 916730, 2108479, 4216958, 10542395, 21084790]

約数ペア:

[(1, 21084790), (2, 10542395), (5, 4216958), (10, 2108479), (23, 916730), (46, 458365), (115, 183346), (230, 91673)]