21613232

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 22258960

約数列:

[1, 2, 4, 8, 16, 41, 47, 82, 94, 164, 188, 328, 376, 656, 701, 752, 1402, 1927, 2804, 3854, 5608, 7708, 11216, 15416, 28741, 30832, 32947, 57482, 65894, 114964, 131788, 229928, 263576, 459856, 527152, 1350827, 2701654, 5403308, 10806616, 21613232]

約数ペア:

[(1, 21613232), (2, 10806616), (4, 5403308), (8, 2701654), (16, 1350827), (41, 527152), (47, 459856), (82, 263576), (94, 229928), (164, 131788), (188, 114964), (328, 65894), (376, 57482), (656, 32947), (701, 30832), (752, 28741), (1402, 15416), (1927, 11216), (2804, 7708), (3854, 5608)]