21112284

素因数分解:

$2^2\times 3^1\times {\mathrm{881}}^1\times {\mathrm{1997}}^1$

素因数の和:2885

約数の個数: 24

約数和(自身を含む): 49342608

約数和(自身を除く): 28230324

約数列:

[1, 2, 3, 4, 6, 12, 881, 1762, 1997, 2643, 3524, 3994, 5286, 5991, 7988, 10572, 11982, 23964, 1759357, 3518714, 5278071, 7037428, 10556142, 21112284]

約数ペア:

[(1, 21112284), (2, 10556142), (3, 7037428), (4, 5278071), (6, 3518714), (12, 1759357), (881, 23964), (1762, 11982), (1997, 10572), (2643, 7988), (3524, 5991), (3994, 5286)]