21084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 56448

約数和(自身を除く): 35364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 1004, 1506, 1757, 3012, 3514, 5271, 7028, 10542, 21084]

約数ペア:

[(1, 21084), (2, 10542), (3, 7028), (4, 5271), (6, 3514), (7, 3012), (12, 1757), (14, 1506), (21, 1004), (28, 753), (42, 502), (84, 251)]