21701740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10141}}^1$

素因数の和:10257

約数の個数: 24

約数和(自身を含む): 46004112

約数和(自身を除く): 24302372

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 10141, 20282, 40564, 50705, 101410, 202820, 1085087, 2170174, 4340348, 5425435, 10850870, 21701740]

約数ペア:

[(1, 21701740), (2, 10850870), (4, 5425435), (5, 4340348), (10, 2170174), (20, 1085087), (107, 202820), (214, 101410), (428, 50705), (535, 40564), (1070, 20282), (2140, 10141)]