42168

素因数分解:

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

素因数の和:267

約数の個数: 32

約数和(自身を含む): 120960

約数和(自身を除く): 78792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 502, 753, 1004, 1506, 1757, 2008, 3012, 3514, 5271, 6024, 7028, 10542, 14056, 21084, 42168]

約数ペア:

[(1, 42168), (2, 21084), (3, 14056), (4, 10542), (6, 7028), (7, 6024), (8, 5271), (12, 3514), (14, 3012), (21, 2008), (24, 1757), (28, 1506), (42, 1004), (56, 753), (84, 502), (168, 251)]