21960004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3643}}^1$

素因数の和:3795

約数の個数: 24

約数和(自身を含む): 42241248

約数和(自身を除く): 20281244

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3643, 6028, 7286, 14572, 40073, 80146, 160292, 499091, 998182, 1996364, 5490001, 10980002, 21960004]

約数ペア:

[(1, 21960004), (2, 10980002), (4, 5490001), (11, 1996364), (22, 998182), (44, 499091), (137, 160292), (274, 80146), (548, 40073), (1507, 14572), (3014, 7286), (3643, 6028)]