21338902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4297}}^1$

素因数の和:4503

約数の個数: 16

約数和(自身を含む): 34659072

約数和(自身を除く): 13320170

約数列:

[1, 2, 13, 26, 191, 382, 2483, 4297, 4966, 8594, 55861, 111722, 820727, 1641454, 10669451, 21338902]

約数ペア:

[(1, 21338902), (2, 10669451), (13, 1641454), (26, 820727), (191, 111722), (382, 55861), (2483, 8594), (4297, 4966)]