21120198

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3299}}^1$

素因数の和:3412

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25449402

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3299, 6402, 6598, 9897, 19794, 36289, 72578, 108867, 217734, 320003, 640006, 960009, 1920018, 3520033, 7040066, 10560099, 21120198]

約数ペア:

[(1, 21120198), (2, 10560099), (3, 7040066), (6, 3520033), (11, 1920018), (22, 960009), (33, 640006), (66, 320003), (97, 217734), (194, 108867), (291, 72578), (582, 36289), (1067, 19794), (2134, 9897), (3201, 6598), (3299, 6402)]