21215706

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3271}}^1$

素因数の和:3346

約数の個数: 32

約数和(自身を含む): 45232128

約数和(自身を除く): 24016422

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3271, 6486, 6542, 9813, 19626, 75233, 150466, 153737, 225699, 307474, 451398, 461211, 922422, 3535951, 7071902, 10607853, 21215706]

約数ペア:

[(1, 21215706), (2, 10607853), (3, 7071902), (6, 3535951), (23, 922422), (46, 461211), (47, 451398), (69, 307474), (94, 225699), (138, 153737), (141, 150466), (282, 75233), (1081, 19626), (2162, 9813), (3243, 6542), (3271, 6486)]