21023784

素因数分解:

$2^3\times 3^2\times {\mathrm{291997}}^1$

素因数の和:292009

約数の個数: 24

約数和(自身を含む): 56939610

約数和(自身を除く): 35915826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291997, 583994, 875991, 1167988, 1751982, 2335976, 2627973, 3503964, 5255946, 7007928, 10511892, 21023784]

約数ペア:

[(1, 21023784), (2, 10511892), (3, 7007928), (4, 5255946), (6, 3503964), (8, 2627973), (9, 2335976), (12, 1751982), (18, 1167988), (24, 875991), (36, 583994), (72, 291997)]