21130744

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 42366240

約数和(自身を除く): 21235496

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2801, 3772, 5602, 7544, 11204, 22408, 64423, 114841, 128846, 229682, 257692, 459364, 515384, 918728, 2641343, 5282686, 10565372, 21130744]

約数ペア:

[(1, 21130744), (2, 10565372), (4, 5282686), (8, 2641343), (23, 918728), (41, 515384), (46, 459364), (82, 257692), (92, 229682), (164, 128846), (184, 114841), (328, 64423), (943, 22408), (1886, 11204), (2801, 7544), (3772, 5602)]