21278488

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34543}}^1$

素因数の和:34567

約数の個数: 32

約数和(自身を含む): 49743360

約数和(自身を除く): 28464872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34543, 69086, 138172, 241801, 276344, 379973, 483602, 759946, 967204, 1519892, 1934408, 2659811, 3039784, 5319622, 10639244, 21278488]

約数ペア:

[(1, 21278488), (2, 10639244), (4, 5319622), (7, 3039784), (8, 2659811), (11, 1934408), (14, 1519892), (22, 967204), (28, 759946), (44, 483602), (56, 379973), (77, 276344), (88, 241801), (154, 138172), (308, 69086), (616, 34543)]