21131662

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 34610400

約数和(自身を除く): 13478738

約数列:

[1, 2, 29, 37, 43, 58, 74, 86, 229, 458, 1073, 1247, 1591, 2146, 2494, 3182, 6641, 8473, 9847, 13282, 16946, 19694, 46139, 92278, 245717, 285563, 364339, 491434, 571126, 728678, 10565831, 21131662]

約数ペア:

[(1, 21131662), (2, 10565831), (29, 728678), (37, 571126), (43, 491434), (58, 364339), (74, 285563), (86, 245717), (229, 92278), (458, 46139), (1073, 19694), (1247, 16946), (1591, 13282), (2146, 9847), (2494, 8473), (3182, 6641)]