21311478

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17159}}^1$

素因数の和:17193

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 28109322

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17159, 34318, 51477, 102954, 154431, 308862, 394657, 463293, 789314, 926586, 1183971, 2367942, 3551913, 7103826, 10655739, 21311478]

約数ペア:

[(1, 21311478), (2, 10655739), (3, 7103826), (6, 3551913), (9, 2367942), (18, 1183971), (23, 926586), (27, 789314), (46, 463293), (54, 394657), (69, 308862), (138, 154431), (207, 102954), (414, 51477), (621, 34318), (1242, 17159)]