21118794

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 44991936

約数和(自身を除く): 23873142

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 197, 394, 591, 1051, 1182, 2102, 3153, 3349, 6306, 6698, 10047, 17867, 20094, 35734, 53601, 107202, 207047, 414094, 621141, 1242282, 3519799, 7039598, 10559397, 21118794]

約数ペア:

[(1, 21118794), (2, 10559397), (3, 7039598), (6, 3519799), (17, 1242282), (34, 621141), (51, 414094), (102, 207047), (197, 107202), (394, 53601), (591, 35734), (1051, 20094), (1182, 17867), (2102, 10047), (3153, 6698), (3349, 6306)]