21141140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45959}}^1$

素因数の和:45991

約数の個数: 24

約数和(自身を含む): 46327680

約数和(自身を除く): 25186540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45959, 91918, 183836, 229795, 459590, 919180, 1057057, 2114114, 4228228, 5285285, 10570570, 21141140]

約数ペア:

[(1, 21141140), (2, 10570570), (4, 5285285), (5, 4228228), (10, 2114114), (20, 1057057), (23, 919180), (46, 459590), (92, 229795), (115, 183836), (230, 91918), (460, 45959)]