21036490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91463}}^1$

素因数の和:91493

約数の個数: 16

約数和(自身を含む): 39512448

約数和(自身を除く): 18475958

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91463, 182926, 457315, 914630, 2103649, 4207298, 10518245, 21036490]

約数ペア:

[(1, 21036490), (2, 10518245), (5, 4207298), (10, 2103649), (23, 914630), (46, 457315), (115, 182926), (230, 91463)]