21042828

素因数分解:

$2^2\times 3^5\times {\mathrm{21649}}^1$

素因数の和:21668

約数の個数: 36

約数和(自身を含む): 55164200

約数和(自身を除く): 34121372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21649, 43298, 64947, 86596, 129894, 194841, 259788, 389682, 584523, 779364, 1169046, 1753569, 2338092, 3507138, 5260707, 7014276, 10521414, 21042828]

約数ペア:

[(1, 21042828), (2, 10521414), (3, 7014276), (4, 5260707), (6, 3507138), (9, 2338092), (12, 1753569), (18, 1169046), (27, 779364), (36, 584523), (54, 389682), (81, 259788), (108, 194841), (162, 129894), (243, 86596), (324, 64947), (486, 43298), (972, 21649)]