21912491

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 2763349

約数列:

[1, 19, 23, 41, 437, 779, 943, 1223, 17917, 23237, 28129, 50143, 534451, 952717, 1153289, 21912491]

約数ペア:

[(1, 21912491), (19, 1153289), (23, 952717), (41, 534451), (437, 50143), (779, 28129), (943, 23237), (1223, 17917)]