21371568

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6271}}^1$

素因数の和:6353

約数の個数: 40

約数和(自身を含む): 55996416

約数和(自身を除く): 34624848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 6271, 12542, 18813, 25084, 37626, 50168, 75252, 100336, 150504, 301008, 445241, 890482, 1335723, 1780964, 2671446, 3561928, 5342892, 7123856, 10685784, 21371568]

約数ペア:

[(1, 21371568), (2, 10685784), (3, 7123856), (4, 5342892), (6, 3561928), (8, 2671446), (12, 1780964), (16, 1335723), (24, 890482), (48, 445241), (71, 301008), (142, 150504), (213, 100336), (284, 75252), (426, 50168), (568, 37626), (852, 25084), (1136, 18813), (1704, 12542), (3408, 6271)]