21055034

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 42690240

約数和(自身を除く): 21635206

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 809, 1001, 1183, 1618, 1859, 2002, 2366, 3718, 5663, 8899, 10517, 11326, 13013, 17798, 21034, 26026, 62293, 73619, 115687, 124586, 136721, 147238, 231374, 273442, 809809, 957047, 1503931, 1619618, 1914094, 3007862, 10527517, 21055034]

約数ペア:

[(1, 21055034), (2, 10527517), (7, 3007862), (11, 1914094), (13, 1619618), (14, 1503931), (22, 957047), (26, 809809), (77, 273442), (91, 231374), (143, 147238), (154, 136721), (169, 124586), (182, 115687), (286, 73619), (338, 62293), (809, 26026), (1001, 21034), (1183, 17798), (1618, 13013), (1859, 11326), (2002, 10517), (2366, 8899), (3718, 5663)]