21242019953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2530921}}^1$

素因数の和:2531048

約数の個数: 16

約数和(自身を含む): 26726536320

約数和(自身を除く): 5484516367

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 2530921, 17716447, 27840131, 194880917, 275870389, 1931092723, 3034574279, 21242019953]

約数ペア:

[(1, 21242019953), (7, 3034574279), (11, 1931092723), (77, 275870389), (109, 194880917), (763, 27840131), (1199, 17716447), (8393, 2530921)]