21579441

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 32184576

約数和(自身を除く): 10605135

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1373, 4119, 5239, 15717, 17849, 42563, 53547, 127689, 232037, 553319, 696111, 1659957, 7193147, 21579441]

約数ペア:

[(1, 21579441), (3, 7193147), (13, 1659957), (31, 696111), (39, 553319), (93, 232037), (169, 127689), (403, 53547), (507, 42563), (1209, 17849), (1373, 15717), (4119, 5239)]