21119589

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12058011

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 479, 621, 639, 1437, 1633, 1917, 4311, 4899, 11017, 12933, 14697, 33051, 34009, 44091, 99153, 102027, 297459, 306081, 782207, 918243, 2346621, 7039863, 21119589]

約数ペア:

[(1, 21119589), (3, 7039863), (9, 2346621), (23, 918243), (27, 782207), (69, 306081), (71, 297459), (207, 102027), (213, 99153), (479, 44091), (621, 34009), (639, 33051), (1437, 14697), (1633, 12933), (1917, 11017), (4311, 4899)]