21000478578

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1\times {\mathrm{145069}}^1$

素因数の和:146146

約数の個数: 32

約数和(自身を含む): 43869168000

約数和(自身を除く): 22868689422

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1049, 2098, 3147, 6294, 24127, 48254, 72381, 144762, 145069, 290138, 435207, 870414, 3336587, 6673174, 10009761, 20019522, 152177381, 304354762, 456532143, 913064286, 3500079763, 7000159526, 10500239289, 21000478578]

約数ペア:

[(1, 21000478578), (2, 10500239289), (3, 7000159526), (6, 3500079763), (23, 913064286), (46, 456532143), (69, 304354762), (138, 152177381), (1049, 20019522), (2098, 10009761), (3147, 6673174), (6294, 3336587), (24127, 870414), (48254, 435207), (72381, 290138), (144762, 145069)]