21071964

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{3119}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 49271040

約数和(自身を除く): 28199076

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3119, 3378, 6238, 6756, 9357, 12476, 18714, 37428, 1755997, 3511994, 5267991, 7023988, 10535982, 21071964]

約数ペア:

[(1, 21071964), (2, 10535982), (3, 7023988), (4, 5267991), (6, 3511994), (12, 1755997), (563, 37428), (1126, 18714), (1689, 12476), (2252, 9357), (3119, 6756), (3378, 6238)]