21103400

素因数分解:

$2^3\times 5^2\times {\mathrm{105517}}^1$

素因数の和:105533

約数の個数: 24

約数和(自身を含む): 49065870

約数和(自身を除く): 27962470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105517, 211034, 422068, 527585, 844136, 1055170, 2110340, 2637925, 4220680, 5275850, 10551700, 21103400]

約数ペア:

[(1, 21103400), (2, 10551700), (4, 5275850), (5, 4220680), (8, 2637925), (10, 2110340), (20, 1055170), (25, 844136), (40, 527585), (50, 422068), (100, 211034), (200, 105517)]