21052820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45767}}^1$

素因数の和:45799

約数の個数: 24

約数和(自身を含む): 46134144

約数和(自身を除く): 25081324

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45767, 91534, 183068, 228835, 457670, 915340, 1052641, 2105282, 4210564, 5263205, 10526410, 21052820]

約数ペア:

[(1, 21052820), (2, 10526410), (4, 5263205), (5, 4210564), (10, 2105282), (20, 1052641), (23, 915340), (46, 457670), (92, 228835), (115, 183068), (230, 91534), (460, 45767)]