21074559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6323}}^1$

素因数の和:6438

約数の個数: 16

約数和(自身を含む): 30962304

約数和(自身を除く): 9887745

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6323, 18969, 69553, 208659, 638623, 1915869, 7024853, 21074559]

約数ペア:

[(1, 21074559), (3, 7024853), (11, 1915869), (33, 638623), (101, 208659), (303, 69553), (1111, 18969), (3333, 6323)]