21043667090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1\times {\mathrm{69193}}^1$

素因数の和:71006

約数の個数: 32

約数和(自身を含む): 40129752240

約数和(自身を除く): 19086085150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1789, 3578, 8945, 17890, 30413, 60826, 69193, 138386, 152065, 304130, 345965, 691930, 1176281, 2352562, 5881405, 11762810, 123786277, 247572554, 618931385, 1237862770, 2104366709, 4208733418, 10521833545, 21043667090]

約数ペア:

[(1, 21043667090), (2, 10521833545), (5, 4208733418), (10, 2104366709), (17, 1237862770), (34, 618931385), (85, 247572554), (170, 123786277), (1789, 11762810), (3578, 5881405), (8945, 2352562), (17890, 1176281), (30413, 691930), (60826, 345965), (69193, 304130), (138386, 152065)]