21089784

素因数分解:

$2^3\times 3^1\times {\mathrm{503}}^1\times {\mathrm{1747}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 31769736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 503, 1006, 1509, 1747, 2012, 3018, 3494, 4024, 5241, 6036, 6988, 10482, 12072, 13976, 20964, 41928, 878741, 1757482, 2636223, 3514964, 5272446, 7029928, 10544892, 21089784]

約数ペア:

[(1, 21089784), (2, 10544892), (3, 7029928), (4, 5272446), (6, 3514964), (8, 2636223), (12, 1757482), (24, 878741), (503, 41928), (1006, 20964), (1509, 13976), (1747, 12072), (2012, 10482), (3018, 6988), (3494, 6036), (4024, 5241)]