21951423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{503}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 34306272

約数和(自身を除く): 12354849

約数列:

[1, 3, 9, 13, 39, 117, 373, 503, 1119, 1509, 3357, 4527, 4849, 6539, 14547, 19617, 43641, 58851, 187619, 562857, 1688571, 2439047, 7317141, 21951423]

約数ペア:

[(1, 21951423), (3, 7317141), (9, 2439047), (13, 1688571), (39, 562857), (117, 187619), (373, 58851), (503, 43641), (1119, 19617), (1509, 14547), (3357, 6539), (4527, 4849)]