21496653

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 33204600

約数和(自身を除く): 11707947

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1289, 1853, 3867, 5559, 11601, 16677, 21913, 65739, 140501, 197217, 421503, 1264509, 2388517, 7165551, 21496653]

約数ペア:

[(1, 21496653), (3, 7165551), (9, 2388517), (17, 1264509), (51, 421503), (109, 197217), (153, 140501), (327, 65739), (981, 21913), (1289, 16677), (1853, 11601), (3867, 5559)]