21065648752

素因数分解:

$2^4\times {\mathrm{1049}}^1\times {\mathrm{1255103}}^1$

素因数の和:1256160

約数の個数: 20

約数和(自身を含む): 40853635200

約数和(自身を除く): 19787986448

約数列:

[1, 2, 4, 8, 16, 1049, 2098, 4196, 8392, 16784, 1255103, 2510206, 5020412, 10040824, 20081648, 1316603047, 2633206094, 5266412188, 10532824376, 21065648752]

約数ペア:

[(1, 21065648752), (2, 10532824376), (4, 5266412188), (8, 2633206094), (16, 1316603047), (1049, 20081648), (2098, 10040824), (4196, 5020412), (8392, 2510206), (16784, 1255103)]