21603923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5074

約数の個数: 16

約数和(自身を含む): 26044416

約数和(自身を除く): 4440493

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 5023, 55253, 85391, 115529, 939301, 1270819, 1963993, 21603923]

約数ペア:

[(1, 21603923), (11, 1963993), (17, 1270819), (23, 939301), (187, 115529), (253, 85391), (391, 55253), (4301, 5023)]