21501161

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 24254208

約数和(自身を除く): 2753047

約数列:

[1, 11, 43, 131, 347, 473, 1441, 3817, 5633, 14921, 45457, 61963, 164131, 500027, 1954651, 21501161]

約数ペア:

[(1, 21501161), (11, 1954651), (43, 500027), (131, 164131), (347, 61963), (473, 45457), (1441, 14921), (3817, 5633)]