21521856

素因数分解:

$2^6\times 3^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:781

約数の個数: 56

約数和(自身を含む): 57332880

約数和(自身を除く): 35811024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 197, 394, 569, 591, 788, 1138, 1182, 1576, 1707, 2276, 2364, 3152, 3414, 4552, 4728, 6304, 6828, 9104, 9456, 12608, 13656, 18208, 18912, 27312, 36416, 37824, 54624, 109248, 112093, 224186, 336279, 448372, 672558, 896744, 1345116, 1793488, 2690232, 3586976, 5380464, 7173952, 10760928, 21521856]

約数ペア:

[(1, 21521856), (2, 10760928), (3, 7173952), (4, 5380464), (6, 3586976), (8, 2690232), (12, 1793488), (16, 1345116), (24, 896744), (32, 672558), (48, 448372), (64, 336279), (96, 224186), (192, 112093), (197, 109248), (394, 54624), (569, 37824), (591, 36416), (788, 27312), (1138, 18912), (1182, 18208), (1576, 13656), (1707, 12608), (2276, 9456), (2364, 9104), (3152, 6828), (3414, 6304), (4552, 4728)]