21947382

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 30307338

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 369, 414, 431, 621, 738, 862, 943, 1107, 1242, 1293, 1886, 2214, 2586, 2829, 3879, 5658, 7758, 8487, 9913, 11637, 16974, 17671, 19826, 23274, 25461, 29739, 35342, 50922, 53013, 59478, 89217, 106026, 159039, 178434, 267651, 318078, 406433, 477117, 535302, 812866, 954234, 1219299, 2438598, 3657897, 7315794, 10973691, 21947382]

約数ペア:

[(1, 21947382), (2, 10973691), (3, 7315794), (6, 3657897), (9, 2438598), (18, 1219299), (23, 954234), (27, 812866), (41, 535302), (46, 477117), (54, 406433), (69, 318078), (82, 267651), (123, 178434), (138, 159039), (207, 106026), (246, 89217), (369, 59478), (414, 53013), (431, 50922), (621, 35342), (738, 29739), (862, 25461), (943, 23274), (1107, 19826), (1242, 17671), (1293, 16974), (1886, 11637), (2214, 9913), (2586, 8487), (2829, 7758), (3879, 5658)]