21479286

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 45059328

約数和(自身を除く): 23580042

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 317, 491, 634, 951, 982, 1473, 1902, 2946, 7291, 11293, 14582, 21873, 22586, 33879, 43746, 67758, 155647, 311294, 466941, 933882, 3579881, 7159762, 10739643, 21479286]

約数ペア:

[(1, 21479286), (2, 10739643), (3, 7159762), (6, 3579881), (23, 933882), (46, 466941), (69, 311294), (138, 155647), (317, 67758), (491, 43746), (634, 33879), (951, 22586), (982, 21873), (1473, 14582), (1902, 11293), (2946, 7291)]