210008428

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{53959}}^1$

素因数の和:54109

約数の個数: 24

約数和(自身を含む): 423046400

約数和(自身を除く): 213037972

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 53959, 107918, 215836, 377713, 755426, 1510852, 7500301, 15000602, 30001204, 52502107, 105004214, 210008428]

約数ペア:

[(1, 210008428), (2, 105004214), (4, 52502107), (7, 30001204), (14, 15000602), (28, 7500301), (139, 1510852), (278, 755426), (556, 377713), (973, 215836), (1946, 107918), (3892, 53959)]