21173958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2269

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 29459898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2207, 3198, 4414, 4797, 6621, 9594, 13242, 19863, 28691, 39726, 57382, 86073, 90487, 172146, 180974, 258219, 271461, 516438, 542922, 814383, 1176331, 1628766, 2352662, 3528993, 7057986, 10586979, 21173958]

約数ペア:

[(1, 21173958), (2, 10586979), (3, 7057986), (6, 3528993), (9, 2352662), (13, 1628766), (18, 1176331), (26, 814383), (39, 542922), (41, 516438), (78, 271461), (82, 258219), (117, 180974), (123, 172146), (234, 90487), (246, 86073), (369, 57382), (533, 39726), (738, 28691), (1066, 19863), (1599, 13242), (2207, 9594), (3198, 6621), (4414, 4797)]