21947670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243863}}^1$

素因数の和:243876

約数の個数: 24

約数和(自身を含む): 57064176

約数和(自身を除く): 35116506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243863, 487726, 731589, 1219315, 1463178, 2194767, 2438630, 3657945, 4389534, 7315890, 10973835, 21947670]

約数ペア:

[(1, 21947670), (2, 10973835), (3, 7315890), (5, 4389534), (6, 3657945), (9, 2438630), (10, 2194767), (15, 1463178), (18, 1219315), (30, 731589), (45, 487726), (90, 243863)]