21704507

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 2867653

約数列:

[1, 11, 53, 59, 583, 631, 649, 3127, 6941, 33443, 34397, 37229, 367873, 409519, 1973137, 21704507]

約数ペア:

[(1, 21704507), (11, 1973137), (53, 409519), (59, 367873), (583, 37229), (631, 34397), (649, 33443), (3127, 6941)]