21515856

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19489}}^1$

素因数の和:19523

約数の個数: 40

約数和(自身を含む): 58002240

約数和(自身を除く): 36486384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19489, 38978, 58467, 77956, 116934, 155912, 233868, 311824, 448247, 467736, 896494, 935472, 1344741, 1792988, 2689482, 3585976, 5378964, 7171952, 10757928, 21515856]

約数ペア:

[(1, 21515856), (2, 10757928), (3, 7171952), (4, 5378964), (6, 3585976), (8, 2689482), (12, 1792988), (16, 1344741), (23, 935472), (24, 896494), (46, 467736), (48, 448247), (69, 311824), (92, 233868), (138, 155912), (184, 116934), (276, 77956), (368, 58467), (552, 38978), (1104, 19489)]