21442095

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20717}}^1$

素因数の和:20751

約数の個数: 24

約数和(自身を含む): 38784096

約数和(自身を除く): 17342001

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20717, 62151, 103585, 186453, 310755, 476491, 932265, 1429473, 2382455, 4288419, 7147365, 21442095]

約数ペア:

[(1, 21442095), (3, 7147365), (5, 4288419), (9, 2382455), (15, 1429473), (23, 932265), (45, 476491), (69, 310755), (115, 186453), (207, 103585), (345, 62151), (1035, 20717)]