21703792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 46282752

約数和(自身を除く): 24578960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 971, 1016, 1397, 1942, 2032, 2794, 3884, 5588, 7768, 10681, 11176, 15536, 21362, 22352, 42724, 85448, 123317, 170896, 246634, 493268, 986536, 1356487, 1973072, 2712974, 5425948, 10851896, 21703792]

約数ペア:

[(1, 21703792), (2, 10851896), (4, 5425948), (8, 2712974), (11, 1973072), (16, 1356487), (22, 986536), (44, 493268), (88, 246634), (127, 170896), (176, 123317), (254, 85448), (508, 42724), (971, 22352), (1016, 21362), (1397, 15536), (1942, 11176), (2032, 10681), (2794, 7768), (3884, 5588)]