21136976

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4603}}^1$

素因数の和:4659

約数の個数: 40

約数和(自身を含む): 47955264

約数和(自身を除く): 26818288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4603, 9206, 18412, 32221, 36824, 64442, 73648, 128884, 188723, 257768, 377446, 515536, 754892, 1321061, 1509784, 2642122, 3019568, 5284244, 10568488, 21136976]

約数ペア:

[(1, 21136976), (2, 10568488), (4, 5284244), (7, 3019568), (8, 2642122), (14, 1509784), (16, 1321061), (28, 754892), (41, 515536), (56, 377446), (82, 257768), (112, 188723), (164, 128884), (287, 73648), (328, 64442), (574, 36824), (656, 32221), (1148, 18412), (2296, 9206), (4592, 4603)]