21355948

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2593}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 39221280

約数和(自身を除く): 17865332

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2593, 4118, 5186, 8236, 10372, 75197, 150394, 184103, 300788, 368206, 736412, 5338987, 10677974, 21355948]

約数ペア:

[(1, 21355948), (2, 10677974), (4, 5338987), (29, 736412), (58, 368206), (71, 300788), (116, 184103), (142, 150394), (284, 75197), (2059, 10372), (2593, 8236), (4118, 5186)]