21127487

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 2027713

約数列:

[1, 19, 47, 59, 401, 893, 1121, 2773, 7619, 18847, 23659, 52687, 358093, 449521, 1111973, 21127487]

約数ペア:

[(1, 21127487), (19, 1111973), (47, 449521), (59, 358093), (401, 52687), (893, 23659), (1121, 18847), (2773, 7619)]