21827490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 56070144

約数和(自身を除く): 34242654

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 127, 170, 254, 255, 337, 381, 510, 635, 674, 762, 1011, 1270, 1685, 1905, 2022, 2159, 3370, 3810, 4318, 5055, 5729, 6477, 10110, 10795, 11458, 12954, 17187, 21590, 28645, 32385, 34374, 42799, 57290, 64770, 85598, 85935, 128397, 171870, 213995, 256794, 427990, 641985, 727583, 1283970, 1455166, 2182749, 3637915, 4365498, 7275830, 10913745, 21827490]

約数ペア:

[(1, 21827490), (2, 10913745), (3, 7275830), (5, 4365498), (6, 3637915), (10, 2182749), (15, 1455166), (17, 1283970), (30, 727583), (34, 641985), (51, 427990), (85, 256794), (102, 213995), (127, 171870), (170, 128397), (254, 85935), (255, 85598), (337, 64770), (381, 57290), (510, 42799), (635, 34374), (674, 32385), (762, 28645), (1011, 21590), (1270, 17187), (1685, 12954), (1905, 11458), (2022, 10795), (2159, 10110), (3370, 6477), (3810, 5729), (4318, 5055)]