21441075

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 35616768

約数和(自身を除く): 14175693

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1087, 1315, 3261, 3945, 5435, 6575, 16305, 19725, 27175, 81525, 285881, 857643, 1429405, 4288215, 7147025, 21441075]

約数ペア:

[(1, 21441075), (3, 7147025), (5, 4288215), (15, 1429405), (25, 857643), (75, 285881), (263, 81525), (789, 27175), (1087, 19725), (1315, 16305), (3261, 6575), (3945, 5435)]