21257096

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2273}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 24586744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2273, 2338, 4546, 4676, 9092, 9352, 15911, 18184, 31822, 63644, 127288, 379591, 759182, 1518364, 2657137, 3036728, 5314274, 10628548, 21257096]

約数ペア:

[(1, 21257096), (2, 10628548), (4, 5314274), (7, 3036728), (8, 2657137), (14, 1518364), (28, 759182), (56, 379591), (167, 127288), (334, 63644), (668, 31822), (1169, 18184), (1336, 15911), (2273, 9352), (2338, 9092), (4546, 4676)]