21198852

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2239}}^1$

素因数の和:2512

約数の個数: 36

約数和(自身を含む): 53813760

約数和(自身を除く): 32614908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2239, 2367, 3156, 4478, 4734, 6717, 8956, 9468, 13434, 20151, 26868, 40302, 80604, 588857, 1177714, 1766571, 2355428, 3533142, 5299713, 7066284, 10599426, 21198852]

約数ペア:

[(1, 21198852), (2, 10599426), (3, 7066284), (4, 5299713), (6, 3533142), (9, 2355428), (12, 1766571), (18, 1177714), (36, 588857), (263, 80604), (526, 40302), (789, 26868), (1052, 20151), (1578, 13434), (2239, 9468), (2367, 8956), (3156, 6717), (4478, 4734)]